Home / 1,228,272.26-1,842,408.38-479,793.38

Finding the Fourth Proportional to 1,228,272.26, 1,842,408.38 and 479,793.38

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Solution

The fourth proportional to 1,228,272.26, 1,842,408.38 and 479,793.38 is: 719,690.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,272.26 : 1,842,408.38 = 479,793.38 : x
  2. Step 2: Convert to fraction form
    1,228,272.26/1,842,408.38 = 479,793.38/x
  3. Step 3: Cross multiply
    1,228,272.26x = 1,842,408.38 × 479,793.38
  4. Step 4: Simplify right side
    1,228,272.26x = 883,975,335,967.97
  5. Step 5: Solve for x
    x = 883,975,335,967.97/1,228,272.26
  6. Step 6: Final answer
    x = 719,690.06

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Double scale
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1.5x scale

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.