Home / 1,007,991.83-1,391,028.11-555,282.83

Finding the Fourth Proportional to 1,007,991.83, 1,391,028.11 and 555,282.83

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Solution

The fourth proportional to 1,007,991.83, 1,391,028.11 and 555,282.83 is: 766,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,991.83 : 1,391,028.11 = 555,282.83 : x
  2. Step 2: Convert to fraction form
    1,007,991.83/1,391,028.11 = 555,282.83/x
  3. Step 3: Cross multiply
    1,007,991.83x = 1,391,028.11 × 555,282.83
  4. Step 4: Simplify right side
    1,007,991.83x = 772,414,023,612.75
  5. Step 5: Solve for x
    x = 772,414,023,612.75/1,007,991.83
  6. Step 6: Final answer
    x = 766,289.97

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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.