Home / 996,904.30-1,495,356.45-919,921.90

Finding the Fourth Proportional to 996,904.30, 1,495,356.45 and 919,921.90

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Solution

The fourth proportional to 996,904.30, 1,495,356.45 and 919,921.90 is: 1,379,882.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,904.30 : 1,495,356.45 = 919,921.90 : x
  2. Step 2: Convert to fraction form
    996,904.30/1,495,356.45 = 919,921.90/x
  3. Step 3: Cross multiply
    996,904.30x = 1,495,356.45 × 919,921.90
  4. Step 4: Simplify right side
    996,904.30x = 1,375,611,146,661.25
  5. Step 5: Solve for x
    x = 1,375,611,146,661.25/996,904.30
  6. Step 6: Final answer
    x = 1,379,882.85

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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.