Finding the Fourth Proportional to 1,053,584.62, 1,579,736.94 and 413,121.03
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Solution
The fourth proportional to 1,053,584.62, 1,579,736.94 and 413,121.03 is: 619,430.60
Step by Step Solution
- Step 1: Write the proportion equation
1,053,584.62 : 1,579,736.94 = 413,121.03 : x - Step 2: Convert to fraction form
1,053,584.62/1,579,736.94 = 413,121.03/x - Step 3: Cross multiply
1,053,584.62x = 1,579,736.94 × 413,121.03 - Step 4: Simplify right side
1,053,584.62x = 652,622,551,781.85 - Step 5: Solve for x
x = 652,622,551,781.85/1,053,584.62 - Step 6: Final answer
x = 619,430.60
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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.