Finding the Fourth Proportional to 1,255,693.80, 1,883,540.70 and 1,006,861.80
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Solution
The fourth proportional to 1,255,693.80, 1,883,540.70 and 1,006,861.80 is: 1,510,292.70
Step by Step Solution
- Step 1: Write the proportion equation
1,255,693.80 : 1,883,540.70 = 1,006,861.80 : x - Step 2: Convert to fraction form
1,255,693.80/1,883,540.70 = 1,006,861.80/x - Step 3: Cross multiply
1,255,693.80x = 1,883,540.70 × 1,006,861.80 - Step 4: Simplify right side
1,255,693.80x = 1,896,465,179,575.26 - Step 5: Solve for x
x = 1,896,465,179,575.26/1,255,693.80 - Step 6: Final answer
x = 1,510,292.70
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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.