Finding the Fourth Proportional to 1,053,578.24, 1,579,727.39 and 413,114.65
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Solution
The fourth proportional to 1,053,578.24, 1,579,727.39 and 413,114.65 is: 619,421.03
Step by Step Solution
- Step 1: Write the proportion equation
1,053,578.24 : 1,579,727.39 = 413,114.65 : x - Step 2: Convert to fraction form
1,053,578.24/1,579,727.39 = 413,114.65/x - Step 3: Cross multiply
1,053,578.24x = 1,579,727.39 × 413,114.65 - Step 4: Simplify right side
1,053,578.24x = 652,608,517,851.05 - Step 5: Solve for x
x = 652,608,517,851.05/1,053,578.24 - Step 6: Final answer
x = 619,421.03
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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.