Home / 1,109,336.31-1,664,000.82-267,888.06

Finding the Fourth Proportional to 1,109,336.31, 1,664,000.82 and 267,888.06

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Solution

The fourth proportional to 1,109,336.31, 1,664,000.82 and 267,888.06 is: 401,831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,336.31 : 1,664,000.82 = 267,888.06 : x
  2. Step 2: Convert to fraction form
    1,109,336.31/1,664,000.82 = 267,888.06/x
  3. Step 3: Cross multiply
    1,109,336.31x = 1,664,000.82 × 267,888.06
  4. Step 4: Simplify right side
    1,109,336.31x = 445,765,951,508.21
  5. Step 5: Solve for x
    x = 445,765,951,508.21/1,109,336.31
  6. Step 6: Final answer
    x = 401,831.21

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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.