Finding the Fourth Proportional to 1,266,135.75, 1,899,670.19 and 667,072.71
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Solution
The fourth proportional to 1,266,135.75, 1,899,670.19 and 667,072.71 is: 1,000,854.88
Step by Step Solution
- Step 1: Write the proportion equation
1,266,135.75 : 1,899,670.19 = 667,072.71 : x - Step 2: Convert to fraction form
1,266,135.75/1,899,670.19 = 667,072.71/x - Step 3: Cross multiply
1,266,135.75x = 1,899,670.19 × 667,072.71 - Step 4: Simplify right side
1,266,135.75x = 1,267,218,138,414.15 - Step 5: Solve for x
x = 1,267,218,138,414.15/1,266,135.75 - Step 6: Final answer
x = 1,000,854.88
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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.