Finding the Fourth Proportional to 1,338,637.87, 1,847,310.01 and 726,778.63
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Solution
The fourth proportional to 1,338,637.87, 1,847,310.01 and 726,778.63 is: 1,002,948.94
Step by Step Solution
- Step 1: Write the proportion equation
1,338,637.87 : 1,847,310.01 = 726,778.63 : x - Step 2: Convert to fraction form
1,338,637.87/1,847,310.01 = 726,778.63/x - Step 3: Cross multiply
1,338,637.87x = 1,847,310.01 × 726,778.63 - Step 4: Simplify right side
1,338,637.87x = 1,342,585,438,253.09 - Step 5: Solve for x
x = 1,342,585,438,253.09/1,338,637.87 - Step 6: Final answer
x = 1,002,948.94
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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.