Finding the Fourth Proportional to 1,252,761.99, 1,728,816.17 and 679,802.01
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Solution
The fourth proportional to 1,252,761.99, 1,728,816.17 and 679,802.01 is: 938,129.28
Step by Step Solution
- Step 1: Write the proportion equation
1,252,761.99 : 1,728,816.17 = 679,802.01 : x - Step 2: Convert to fraction form
1,252,761.99/1,728,816.17 = 679,802.01/x - Step 3: Cross multiply
1,252,761.99x = 1,728,816.17 × 679,802.01 - Step 4: Simplify right side
1,252,761.99x = 1,175,252,707,286.50 - Step 5: Solve for x
x = 1,175,252,707,286.50/1,252,761.99 - Step 6: Final answer
x = 938,129.28
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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.