Finding the Fourth Proportional to 1,011,402.44, 1,517,702.20 and 372,155.07
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Solution
The fourth proportional to 1,011,402.44, 1,517,702.20 and 372,155.07 is: 558,452.85
Step by Step Solution
- Step 1: Write the proportion equation
1,011,402.44 : 1,517,702.20 = 372,155.07 : x - Step 2: Convert to fraction form
1,011,402.44/1,517,702.20 = 372,155.07/x - Step 3: Cross multiply
1,011,402.44x = 1,517,702.20 × 372,155.07 - Step 4: Simplify right side
1,011,402.44x = 564,820,567,549.77 - Step 5: Solve for x
x = 564,820,567,549.77/1,011,402.44 - Step 6: Final answer
x = 558,452.85
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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.