Finding the Fourth Proportional to 1,589,789.26, 2,385,321.12 and 578,981.62
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Solution
The fourth proportional to 1,589,789.26, 2,385,321.12 and 578,981.62 is: 868,704.50
Step by Step Solution
- Step 1: Write the proportion equation
1,589,789.26 : 2,385,321.12 = 578,981.62 : x - Step 2: Convert to fraction form
1,589,789.26/2,385,321.12 = 578,981.62/x - Step 3: Cross multiply
1,589,789.26x = 2,385,321.12 × 578,981.62 - Step 4: Simplify right side
1,589,789.26x = 1,381,057,086,277.81 - Step 5: Solve for x
x = 1,381,057,086,277.81/1,589,789.26 - Step 6: Final answer
x = 868,704.50
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1.5x scale
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.