Home / 1,040,711.78-1,436,210.25-587,993.06

Finding the Fourth Proportional to 1,040,711.78, 1,436,210.25 and 587,993.06

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Solution

The fourth proportional to 1,040,711.78, 1,436,210.25 and 587,993.06 is: 811,446.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,711.78 : 1,436,210.25 = 587,993.06 : x
  2. Step 2: Convert to fraction form
    1,040,711.78/1,436,210.25 = 587,993.06/x
  3. Step 3: Cross multiply
    1,040,711.78x = 1,436,210.25 × 587,993.06
  4. Step 4: Simplify right side
    1,040,711.78x = 844,481,659,700.87
  5. Step 5: Solve for x
    x = 844,481,659,700.87/1,040,711.78
  6. Step 6: Final answer
    x = 811,446.24

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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.