Finding the Fourth Proportional to 1,324,920.02, 1,987,412.70 and 483,471.50
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Solution
The fourth proportional to 1,324,920.02, 1,987,412.70 and 483,471.50 is: 725,219.17
Step by Step Solution
- Step 1: Write the proportion equation
1,324,920.02 : 1,987,412.70 = 483,471.50 : x - Step 2: Convert to fraction form
1,324,920.02/1,987,412.70 = 483,471.50/x - Step 3: Cross multiply
1,324,920.02x = 1,987,412.70 × 483,471.50 - Step 4: Simplify right side
1,324,920.02x = 960,857,399,188.05 - Step 5: Solve for x
x = 960,857,399,188.05/1,324,920.02 - Step 6: Final answer
x = 725,219.17
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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.