Home / 929,494.20-1,392,167.70-763,606.20

Finding the Fourth Proportional to 929,494.20, 1,392,167.70 and 763,606.20

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Solution

The fourth proportional to 929,494.20, 1,392,167.70 and 763,606.20 is: 1,143,705.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,494.20 : 1,392,167.70 = 763,606.20 : x
  2. Step 2: Convert to fraction form
    929,494.20/1,392,167.70 = 763,606.20/x
  3. Step 3: Cross multiply
    929,494.20x = 1,392,167.70 × 763,606.20
  4. Step 4: Simplify right side
    929,494.20x = 1,063,067,887,159.74
  5. Step 5: Solve for x
    x = 1,063,067,887,159.74/929,494.20
  6. Step 6: Final answer
    x = 1,143,705.78

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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.