Home / 1,121,704.04-1,548,129.30-713,380.20

Finding the Fourth Proportional to 1,121,704.04, 1,548,129.30 and 713,380.20

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Solution

The fourth proportional to 1,121,704.04, 1,548,129.30 and 713,380.20 is: 984,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,704.04 : 1,548,129.30 = 713,380.20 : x
  2. Step 2: Convert to fraction form
    1,121,704.04/1,548,129.30 = 713,380.20/x
  3. Step 3: Cross multiply
    1,121,704.04x = 1,548,129.30 × 713,380.20
  4. Step 4: Simplify right side
    1,121,704.04x = 1,104,404,789,659.86
  5. Step 5: Solve for x
    x = 1,104,404,789,659.86/1,121,704.04
  6. Step 6: Final answer
    x = 984,577.71

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.