Finding the Fourth Proportional to 1,397,425.05, 1,928,607.17 and 777,292.83
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Solution
The fourth proportional to 1,397,425.05, 1,928,607.17 and 777,292.83 is: 1,072,753.43
Step by Step Solution
- Step 1: Write the proportion equation
1,397,425.05 : 1,928,607.17 = 777,292.83 : x - Step 2: Convert to fraction form
1,397,425.05/1,928,607.17 = 777,292.83/x - Step 3: Cross multiply
1,397,425.05x = 1,928,607.17 × 777,292.83 - Step 4: Simplify right side
1,397,425.05x = 1,499,092,521,241.13 - Step 5: Solve for x
x = 1,499,092,521,241.13/1,397,425.05 - Step 6: Final answer
x = 1,072,753.43
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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.