Finding the Fourth Proportional to 1,087,514.19, 1,500,527.99 and 657,785.09
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Solution
The fourth proportional to 1,087,514.19, 1,500,527.99 and 657,785.09 is: 907,597.29
Step by Step Solution
- Step 1: Write the proportion equation
1,087,514.19 : 1,500,527.99 = 657,785.09 : x - Step 2: Convert to fraction form
1,087,514.19/1,500,527.99 = 657,785.09/x - Step 3: Cross multiply
1,087,514.19x = 1,500,527.99 × 657,785.09 - Step 4: Simplify right side
1,087,514.19x = 987,024,928,158.10 - Step 5: Solve for x
x = 987,024,928,158.10/1,087,514.19 - Step 6: Final answer
x = 907,597.29
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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.