Home / 816,093.20-1,224,139.80-727,446.80

Finding the Fourth Proportional to 816,093.20, 1,224,139.80 and 727,446.80

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Solution

The fourth proportional to 816,093.20, 1,224,139.80 and 727,446.80 is: 1,091,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,093.20 : 1,224,139.80 = 727,446.80 : x
  2. Step 2: Convert to fraction form
    816,093.20/1,224,139.80 = 727,446.80/x
  3. Step 3: Cross multiply
    816,093.20x = 1,224,139.80 × 727,446.80
  4. Step 4: Simplify right side
    816,093.20x = 890,496,580,262.64
  5. Step 5: Solve for x
    x = 890,496,580,262.64/816,093.20
  6. Step 6: Final answer
    x = 1,091,170.20

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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.