Finding the Fourth Proportional to 1,512,808.00, 2,087,639.08 and 824,501.59
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Solution
The fourth proportional to 1,512,808.00, 2,087,639.08 and 824,501.59 is: 1,137,792.59
Step by Step Solution
- Step 1: Write the proportion equation
1,512,808.00 : 2,087,639.08 = 824,501.59 : x - Step 2: Convert to fraction form
1,512,808.00/2,087,639.08 = 824,501.59/x - Step 3: Cross multiply
1,512,808.00x = 2,087,639.08 × 824,501.59 - Step 4: Simplify right side
1,512,808.00x = 1,721,261,733,525.79 - Step 5: Solve for x
x = 1,721,261,733,525.79/1,512,808.00 - Step 6: Final answer
x = 1,137,792.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.