Home / 1,040,067.40-1,560,246.90-408,834.40

Finding the Fourth Proportional to 1,040,067.40, 1,560,246.90 and 408,834.40

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Solution

The fourth proportional to 1,040,067.40, 1,560,246.90 and 408,834.40 is: 613,308.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,067.40 : 1,560,246.90 = 408,834.40 : x
  2. Step 2: Convert to fraction form
    1,040,067.40/1,560,246.90 = 408,834.40/x
  3. Step 3: Cross multiply
    1,040,067.40x = 1,560,246.90 × 408,834.40
  4. Step 4: Simplify right side
    1,040,067.40x = 637,882,605,213.36
  5. Step 5: Solve for x
    x = 637,882,605,213.36/1,040,067.40
  6. Step 6: Final answer
    x = 613,308.91

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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.