Finding the Fourth Proportional to 1,207,481.97, 1,666,365.07 and 663,637.04
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Solution
The fourth proportional to 1,207,481.97, 1,666,365.07 and 663,637.04 is: 915,841.07
Step by Step Solution
- Step 1: Write the proportion equation
1,207,481.97 : 1,666,365.07 = 663,637.04 : x - Step 2: Convert to fraction form
1,207,481.97/1,666,365.07 = 663,637.04/x - Step 3: Cross multiply
1,207,481.97x = 1,666,365.07 × 663,637.04 - Step 4: Simplify right side
1,207,481.97x = 1,105,861,582,614.19 - Step 5: Solve for x
x = 1,105,861,582,614.19/1,207,481.97 - Step 6: Final answer
x = 915,841.07
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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.