Home / 816,096.20-1,224,144.30-727,449.80

Finding the Fourth Proportional to 816,096.20, 1,224,144.30 and 727,449.80

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Solution

The fourth proportional to 816,096.20, 1,224,144.30 and 727,449.80 is: 1,091,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,096.20 : 1,224,144.30 = 727,449.80 : x
  2. Step 2: Convert to fraction form
    816,096.20/1,224,144.30 = 727,449.80/x
  3. Step 3: Cross multiply
    816,096.20x = 1,224,144.30 × 727,449.80
  4. Step 4: Simplify right side
    816,096.20x = 890,503,526,206.14
  5. Step 5: Solve for x
    x = 890,503,526,206.14/816,096.20
  6. Step 6: Final answer
    x = 1,091,174.70

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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.