Finding the Fourth Proportional to 1,366,439.75, 1,885,686.99 and 762,827.75
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Solution
The fourth proportional to 1,366,439.75, 1,885,686.99 and 762,827.75 is: 1,052,702.37
Step by Step Solution
- Step 1: Write the proportion equation
1,366,439.75 : 1,885,686.99 = 762,827.75 : x - Step 2: Convert to fraction form
1,366,439.75/1,885,686.99 = 762,827.75/x - Step 3: Cross multiply
1,366,439.75x = 1,885,686.99 × 762,827.75 - Step 4: Simplify right side
1,366,439.75x = 1,438,454,363,785.97 - Step 5: Solve for x
x = 1,438,454,363,785.97/1,366,439.75 - Step 6: Final answer
x = 1,052,702.37
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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.