Ammonium Phosphate Formula

What is the correct formula for ammonium phosphate?

The charge of ammonium ion is 1+.

The charge of phosphate ion is 3.

This connection must be electrically neutral, so there must be three ammonia for each pass.

(NH4) 3PO4

Ammonium Phosphate Formula

What is the correct formula for ammonium phosphate? ۔
If you can explain why ammonium phosphate formula is one, thanks.
The charge of ammonium ion is 1+.
The charge of phosphate ion is 3.
The connection must be electrically neutral, so there must be three ammonia for each Psphat:
(NH4) 3PO4.