Finding the Fourth Proportional to 1,479,455.28, 2,217,221.15 and 759,767.94
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Solution
The fourth proportional to 1,479,455.28, 2,217,221.15 and 759,767.94 is: 1,138,644.45
Step by Step Solution
- Step 1: Write the proportion equation
1,479,455.28 : 2,217,221.15 = 759,767.94 : x - Step 2: Convert to fraction form
1,479,455.28/2,217,221.15 = 759,767.94/x - Step 3: Cross multiply
1,479,455.28x = 2,217,221.15 × 759,767.94 - Step 4: Simplify right side
1,479,455.28x = 1,684,573,541,861.09 - Step 5: Solve for x
x = 1,684,573,541,861.09/1,479,455.28 - Step 6: Final answer
x = 1,138,644.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.