Finding the Fourth Proportional to 1,045,140.14, 1,442,315.09 and 592,431.14
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Solution
The fourth proportional to 1,045,140.14, 1,442,315.09 and 592,431.14 is: 817,567.27
Step by Step Solution
- Step 1: Write the proportion equation
1,045,140.14 : 1,442,315.09 = 592,431.14 : x - Step 2: Convert to fraction form
1,045,140.14/1,442,315.09 = 592,431.14/x - Step 3: Cross multiply
1,045,140.14x = 1,442,315.09 × 592,431.14 - Step 4: Simplify right side
1,045,140.14x = 854,472,373,007.90 - Step 5: Solve for x
x = 854,472,373,007.90/1,045,140.14 - Step 6: Final answer
x = 817,567.27
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1.5x scale
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.