Home / 996,951.60-1,493,321.40-660,153.60

Finding the Fourth Proportional to 996,951.60, 1,493,321.40 and 660,153.60

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Solution

The fourth proportional to 996,951.60, 1,493,321.40 and 660,153.60 is: 988,835.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,951.60 : 1,493,321.40 = 660,153.60 : x
  2. Step 2: Convert to fraction form
    996,951.60/1,493,321.40 = 660,153.60/x
  3. Step 3: Cross multiply
    996,951.60x = 1,493,321.40 × 660,153.60
  4. Step 4: Simplify right side
    996,951.60x = 985,821,498,167.04
  5. Step 5: Solve for x
    x = 985,821,498,167.04/996,951.60
  6. Step 6: Final answer
    x = 988,835.87

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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.