Finding the Fourth Proportional to 1,324,840.80, 1,987,554.42 and 483,390.12
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Solution
The fourth proportional to 1,324,840.80, 1,987,554.42 and 483,390.12 is: 725,192.17
Step by Step Solution
- Step 1: Write the proportion equation
1,324,840.80 : 1,987,554.42 = 483,390.12 : x - Step 2: Convert to fraction form
1,324,840.80/1,987,554.42 = 483,390.12/x - Step 3: Cross multiply
1,324,840.80x = 1,987,554.42 × 483,390.12 - Step 4: Simplify right side
1,324,840.80x = 960,764,169,590.33 - Step 5: Solve for x
x = 960,764,169,590.33/1,324,840.80 - Step 6: Final answer
x = 725,192.17
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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.