Home / 951,921.30-1,427,881.95-909,930.90

Finding the Fourth Proportional to 951,921.30, 1,427,881.95 and 909,930.90

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Solution

The fourth proportional to 951,921.30, 1,427,881.95 and 909,930.90 is: 1,364,896.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,921.30 : 1,427,881.95 = 909,930.90 : x
  2. Step 2: Convert to fraction form
    951,921.30/1,427,881.95 = 909,930.90/x
  3. Step 3: Cross multiply
    951,921.30x = 1,427,881.95 × 909,930.90
  4. Step 4: Simplify right side
    951,921.30x = 1,299,273,907,857.25
  5. Step 5: Solve for x
    x = 1,299,273,907,857.25/951,921.30
  6. Step 6: Final answer
    x = 1,364,896.35

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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.