Finding the Fourth Proportional to 1,253,098.20, 1,729,229.16 and 680,126.08
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Solution
The fourth proportional to 1,253,098.20, 1,729,229.16 and 680,126.08 is: 938,548.83
Step by Step Solution
- Step 1: Write the proportion equation
1,253,098.20 : 1,729,229.16 = 680,126.08 : x - Step 2: Convert to fraction form
1,253,098.20/1,729,229.16 = 680,126.08/x - Step 3: Cross multiply
1,253,098.20x = 1,729,229.16 × 680,126.08 - Step 4: Simplify right side
1,253,098.20x = 1,176,093,850,012.49 - Step 5: Solve for x
x = 1,176,093,850,012.49/1,253,098.20 - Step 6: Final answer
x = 938,548.83
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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.