Home / 1,040,604.30-1,560,906.45-667,356.30

Finding the Fourth Proportional to 1,040,604.30, 1,560,906.45 and 667,356.30

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Solution

The fourth proportional to 1,040,604.30, 1,560,906.45 and 667,356.30 is: 1,001,034.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,604.30 : 1,560,906.45 = 667,356.30 : x
  2. Step 2: Convert to fraction form
    1,040,604.30/1,560,906.45 = 667,356.30/x
  3. Step 3: Cross multiply
    1,040,604.30x = 1,560,906.45 × 667,356.30
  4. Step 4: Simplify right side
    1,040,604.30x = 1,041,680,753,118.14
  5. Step 5: Solve for x
    x = 1,041,680,753,118.14/1,040,604.30
  6. Step 6: Final answer
    x = 1,001,034.45

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Double scale
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1.5x scale

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.