Home / 1,131,915.32-1,564,283.40-927,644.12

Finding the Fourth Proportional to 1,131,915.32, 1,564,283.40 and 927,644.12

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Solution

The fourth proportional to 1,131,915.32, 1,564,283.40 and 927,644.12 is: 1,281,984.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,915.32 : 1,564,283.40 = 927,644.12 : x
  2. Step 2: Convert to fraction form
    1,131,915.32/1,564,283.40 = 927,644.12/x
  3. Step 3: Cross multiply
    1,131,915.32x = 1,564,283.40 × 927,644.12
  4. Step 4: Simplify right side
    1,131,915.32x = 1,451,098,298,023.61
  5. Step 5: Solve for x
    x = 1,451,098,298,023.61/1,131,915.32
  6. Step 6: Final answer
    x = 1,281,984.86

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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.