Finding the Fourth Proportional to 1,040,915.99, 1,436,276.53 and 582,039.65
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Solution
The fourth proportional to 1,040,915.99, 1,436,276.53 and 582,039.65 is: 803,109.85
Step by Step Solution
- Step 1: Write the proportion equation
1,040,915.99 : 1,436,276.53 = 582,039.65 : x - Step 2: Convert to fraction form
1,040,915.99/1,436,276.53 = 582,039.65/x - Step 3: Cross multiply
1,040,915.99x = 1,436,276.53 × 582,039.65 - Step 4: Simplify right side
1,040,915.99x = 835,969,888,824.42 - Step 5: Solve for x
x = 835,969,888,824.42/1,040,915.99 - Step 6: Final answer
x = 803,109.85
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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.