Finding the Fourth Proportional to 1,040,479.29, 1,435,977.99 and 587,799.45
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Solution
The fourth proportional to 1,040,479.29, 1,435,977.99 and 587,799.45 is: 811,229.09
Step by Step Solution
- Step 1: Write the proportion equation
1,040,479.29 : 1,435,977.99 = 587,799.45 : x - Step 2: Convert to fraction form
1,040,479.29/1,435,977.99 = 587,799.45/x - Step 3: Cross multiply
1,040,479.29x = 1,435,977.99 × 587,799.45 - Step 4: Simplify right side
1,040,479.29x = 844,067,069,795.11 - Step 5: Solve for x
x = 844,067,069,795.11/1,040,479.29 - Step 6: Final answer
x = 811,229.09
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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.