Home / 1,324,853.80-1,987,280.70-327,581.80

Finding the Fourth Proportional to 1,324,853.80, 1,987,280.70 and 327,581.80

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Solution

The fourth proportional to 1,324,853.80, 1,987,280.70 and 327,581.80 is: 491,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,853.80 : 1,987,280.70 = 327,581.80 : x
  2. Step 2: Convert to fraction form
    1,324,853.80/1,987,280.70 = 327,581.80/x
  3. Step 3: Cross multiply
    1,324,853.80x = 1,987,280.70 × 327,581.80
  4. Step 4: Simplify right side
    1,324,853.80x = 650,996,988,811.26
  5. Step 5: Solve for x
    x = 650,996,988,811.26/1,324,853.80
  6. Step 6: Final answer
    x = 491,372.70

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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.