Finding the Fourth Proportional to 1,553,057.12, 2,329,498.05 and 688,242.97
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Solution
The fourth proportional to 1,553,057.12, 2,329,498.05 and 688,242.97 is: 1,032,325.62
Step by Step Solution
- Step 1: Write the proportion equation
1,553,057.12 : 2,329,498.05 = 688,242.97 : x - Step 2: Convert to fraction form
1,553,057.12/2,329,498.05 = 688,242.97/x - Step 3: Cross multiply
1,553,057.12x = 2,329,498.05 × 688,242.97 - Step 4: Simplify right side
1,553,057.12x = 1,603,260,646,614.33 - Step 5: Solve for x
x = 1,603,260,646,614.33/1,553,057.12 - Step 6: Final answer
x = 1,032,325.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.