Finding the Fourth Proportional to 1,031,246.78, 1,423,382.15 and 704,691.97
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Solution
The fourth proportional to 1,031,246.78, 1,423,382.15 and 704,691.97 is: 972,653.68
Step by Step Solution
- Step 1: Write the proportion equation
1,031,246.78 : 1,423,382.15 = 704,691.97 : x - Step 2: Convert to fraction form
1,031,246.78/1,423,382.15 = 704,691.97/x - Step 3: Cross multiply
1,031,246.78x = 1,423,382.15 × 704,691.97 - Step 4: Simplify right side
1,031,246.78x = 1,003,045,969,549.61 - Step 5: Solve for x
x = 1,003,045,969,549.61/1,031,246.78 - Step 6: Final answer
x = 972,653.68
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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.