Finding the Fourth Proportional to 1,479,454.90, 2,217,220.56 and 759,767.53
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Solution
The fourth proportional to 1,479,454.90, 2,217,220.56 and 759,767.53 is: 1,138,643.83
Step by Step Solution
- Step 1: Write the proportion equation
1,479,454.90 : 2,217,220.56 = 759,767.53 : x - Step 2: Convert to fraction form
1,479,454.90/2,217,220.56 = 759,767.53/x - Step 3: Cross multiply
1,479,454.90x = 2,217,220.56 × 759,767.53 - Step 4: Simplify right side
1,479,454.90x = 1,684,572,188,336.42 - Step 5: Solve for x
x = 1,684,572,188,336.42/1,479,454.90 - Step 6: Final answer
x = 1,138,643.83
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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.