Home / 1,022,719.88-1,534,301.27-391,633.70

Finding the Fourth Proportional to 1,022,719.88, 1,534,301.27 and 391,633.70

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Solution

The fourth proportional to 1,022,719.88, 1,534,301.27 and 391,633.70 is: 587,535.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,719.88 : 1,534,301.27 = 391,633.70 : x
  2. Step 2: Convert to fraction form
    1,022,719.88/1,534,301.27 = 391,633.70/x
  3. Step 3: Cross multiply
    1,022,719.88x = 1,534,301.27 × 391,633.70
  4. Step 4: Simplify right side
    1,022,719.88x = 600,884,073,655.12
  5. Step 5: Solve for x
    x = 600,884,073,655.12/1,022,719.88
  6. Step 6: Final answer
    x = 587,535.34

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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.