Finding the Fourth Proportional to 1,253,115.97, 1,729,302.01 and 680,156.39
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Solution
The fourth proportional to 1,253,115.97, 1,729,302.01 and 680,156.39 is: 938,616.89
Step by Step Solution
- Step 1: Write the proportion equation
1,253,115.97 : 1,729,302.01 = 680,156.39 : x - Step 2: Convert to fraction form
1,253,115.97/1,729,302.01 = 680,156.39/x - Step 3: Cross multiply
1,253,115.97x = 1,729,302.01 × 680,156.39 - Step 4: Simplify right side
1,253,115.97x = 1,176,195,814,964.21 - Step 5: Solve for x
x = 1,176,195,814,964.21/1,253,115.97 - Step 6: Final answer
x = 938,616.89
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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.