Finding the Fourth Proportional to 1,040,920.24, 1,436,282.40 and 582,043.90
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Solution
The fourth proportional to 1,040,920.24, 1,436,282.40 and 582,043.90 is: 803,115.72
Step by Step Solution
- Step 1: Write the proportion equation
1,040,920.24 : 1,436,282.40 = 582,043.90 : x - Step 2: Convert to fraction form
1,040,920.24/1,436,282.40 = 582,043.90/x - Step 3: Cross multiply
1,040,920.24x = 1,436,282.40 × 582,043.90 - Step 4: Simplify right side
1,040,920.24x = 835,979,409,597.36 - Step 5: Solve for x
x = 835,979,409,597.36/1,040,920.24 - Step 6: Final answer
x = 803,115.72
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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.