Finding the Fourth Proportional to 1,253,135.10, 1,729,280.14 and 680,162.97
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Solution
The fourth proportional to 1,253,135.10, 1,729,280.14 and 680,162.97 is: 938,599.77
Step by Step Solution
- Step 1: Write the proportion equation
1,253,135.10 : 1,729,280.14 = 680,162.97 : x - Step 2: Convert to fraction form
1,253,135.10/1,729,280.14 = 680,162.97/x - Step 3: Cross multiply
1,253,135.10x = 1,729,280.14 × 680,162.97 - Step 4: Simplify right side
1,253,135.10x = 1,176,192,320,768.81 - Step 5: Solve for x
x = 1,176,192,320,768.81/1,253,135.10 - Step 6: Final answer
x = 938,599.77
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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.