Finding the Fourth Proportional to 1,040,297.80, 1,560,446.70 and 667,049.80
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Solution
The fourth proportional to 1,040,297.80, 1,560,446.70 and 667,049.80 is: 1,000,574.70
Step by Step Solution
- Step 1: Write the proportion equation
1,040,297.80 : 1,560,446.70 = 667,049.80 : x - Step 2: Convert to fraction form
1,040,297.80/1,560,446.70 = 667,049.80/x - Step 3: Cross multiply
1,040,297.80x = 1,560,446.70 × 667,049.80 - Step 4: Simplify right side
1,040,297.80x = 1,040,895,659,145.66 - Step 5: Solve for x
x = 1,040,895,659,145.66/1,040,297.80 - Step 6: Final answer
x = 1,000,574.70
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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.