Finding the Fourth Proportional to 1,253,089.68, 1,729,217.43 and 680,117.55
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Solution
The fourth proportional to 1,253,089.68, 1,729,217.43 and 680,117.55 is: 938,537.07
Step by Step Solution
- Step 1: Write the proportion equation
1,253,089.68 : 1,729,217.43 = 680,117.55 : x - Step 2: Convert to fraction form
1,253,089.68/1,729,217.43 = 680,117.55/x - Step 3: Cross multiply
1,253,089.68x = 1,729,217.43 × 680,117.55 - Step 4: Simplify right side
1,253,089.68x = 1,176,071,121,908.90 - Step 5: Solve for x
x = 1,176,071,121,908.90/1,253,089.68 - Step 6: Final answer
x = 938,537.07
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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.