Finding the Fourth Proportional to 1,071,342.26, 1,478,474.61 and 587,879.18
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Solution
The fourth proportional to 1,071,342.26, 1,478,474.61 and 587,879.18 is: 811,285.50
Step by Step Solution
- Step 1: Write the proportion equation
1,071,342.26 : 1,478,474.61 = 587,879.18 : x - Step 2: Convert to fraction form
1,071,342.26/1,478,474.61 = 587,879.18/x - Step 3: Cross multiply
1,071,342.26x = 1,478,474.61 × 587,879.18 - Step 4: Simplify right side
1,071,342.26x = 869,164,441,377.62 - Step 5: Solve for x
x = 869,164,441,377.62/1,071,342.26 - Step 6: Final answer
x = 811,285.50
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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.