Finding the Fourth Proportional to 1,324,837.80, 1,987,549.92 and 483,387.12
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Solution
The fourth proportional to 1,324,837.80, 1,987,549.92 and 483,387.12 is: 725,187.67
Step by Step Solution
- Step 1: Write the proportion equation
1,324,837.80 : 1,987,549.92 = 483,387.12 : x - Step 2: Convert to fraction form
1,324,837.80/1,987,549.92 = 483,387.12/x - Step 3: Cross multiply
1,324,837.80x = 1,987,549.92 × 483,387.12 - Step 4: Simplify right side
1,324,837.80x = 960,756,031,685.03 - Step 5: Solve for x
x = 960,756,031,685.03/1,324,837.80 - Step 6: Final answer
x = 725,187.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.