Finding the Fourth Proportional to 1,247,785.80, 1,872,326.70 and 582,937.80
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Solution
The fourth proportional to 1,247,785.80, 1,872,326.70 and 582,937.80 is: 874,709.43
Step by Step Solution
- Step 1: Write the proportion equation
1,247,785.80 : 1,872,326.70 = 582,937.80 : x - Step 2: Convert to fraction form
1,247,785.80/1,872,326.70 = 582,937.80/x - Step 3: Cross multiply
1,247,785.80x = 1,872,326.70 × 582,937.80 - Step 4: Simplify right side
1,247,785.80x = 1,091,450,007,379.26 - Step 5: Solve for x
x = 1,091,450,007,379.26/1,247,785.80 - Step 6: Final answer
x = 874,709.43
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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.