Home / 1,327,019.60-1,990,529.40-329,747.60

Finding the Fourth Proportional to 1,327,019.60, 1,990,529.40 and 329,747.60

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Solution

The fourth proportional to 1,327,019.60, 1,990,529.40 and 329,747.60 is: 494,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,019.60 : 1,990,529.40 = 329,747.60 : x
  2. Step 2: Convert to fraction form
    1,327,019.60/1,990,529.40 = 329,747.60/x
  3. Step 3: Cross multiply
    1,327,019.60x = 1,990,529.40 × 329,747.60
  4. Step 4: Simplify right side
    1,327,019.60x = 656,372,292,379.44
  5. Step 5: Solve for x
    x = 656,372,292,379.44/1,327,019.60
  6. Step 6: Final answer
    x = 494,621.40

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Double scale
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Similar ratio
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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.