Finding the Fourth Proportional to 1,082,941.13, 1,491,120.74 and 961,872.05
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Solution
The fourth proportional to 1,082,941.13, 1,491,120.74 and 961,872.05 is: 1,324,418.58
Step by Step Solution
- Step 1: Write the proportion equation
1,082,941.13 : 1,491,120.74 = 961,872.05 : x - Step 2: Convert to fraction form
1,082,941.13/1,491,120.74 = 961,872.05/x - Step 3: Cross multiply
1,082,941.13x = 1,491,120.74 × 961,872.05 - Step 4: Simplify right side
1,082,941.13x = 1,434,267,350,716.35 - Step 5: Solve for x
x = 1,434,267,350,716.35/1,082,941.13 - Step 6: Final answer
x = 1,324,418.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.