Finding the Fourth Proportional to 1,053,584.13, 1,579,736.19 and 413,120.53
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Solution
The fourth proportional to 1,053,584.13, 1,579,736.19 and 413,120.53 is: 619,429.85
Step by Step Solution
- Step 1: Write the proportion equation
1,053,584.13 : 1,579,736.19 = 413,120.53 : x - Step 2: Convert to fraction form
1,053,584.13/1,579,736.19 = 413,120.53/x - Step 3: Cross multiply
1,053,584.13x = 1,579,736.19 × 413,120.53 - Step 4: Simplify right side
1,053,584.13x = 652,621,452,072.98 - Step 5: Solve for x
x = 652,621,452,072.98/1,053,584.13 - Step 6: Final answer
x = 619,429.85
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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.