Home / 792,116.20-1,188,174.30-764,122.60

Finding the Fourth Proportional to 792,116.20, 1,188,174.30 and 764,122.60

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Solution

The fourth proportional to 792,116.20, 1,188,174.30 and 764,122.60 is: 1,146,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,116.20 : 1,188,174.30 = 764,122.60 : x
  2. Step 2: Convert to fraction form
    792,116.20/1,188,174.30 = 764,122.60/x
  3. Step 3: Cross multiply
    792,116.20x = 1,188,174.30 × 764,122.60
  4. Step 4: Simplify right side
    792,116.20x = 907,910,835,369.18
  5. Step 5: Solve for x
    x = 907,910,835,369.18/792,116.20
  6. Step 6: Final answer
    x = 1,146,183.90

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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.