Home / 996,900.30-1,495,350.45-919,917.90

Finding the Fourth Proportional to 996,900.30, 1,495,350.45 and 919,917.90

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Solution

The fourth proportional to 996,900.30, 1,495,350.45 and 919,917.90 is: 1,379,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,900.30 : 1,495,350.45 = 919,917.90 : x
  2. Step 2: Convert to fraction form
    996,900.30/1,495,350.45 = 919,917.90/x
  3. Step 3: Cross multiply
    996,900.30x = 1,495,350.45 × 919,917.90
  4. Step 4: Simplify right side
    996,900.30x = 1,375,599,645,728.06
  5. Step 5: Solve for x
    x = 1,375,599,645,728.06/996,900.30
  6. Step 6: Final answer
    x = 1,379,876.85

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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.