Home / 1,025,372.20-1,538,058.30-492,764.80

Finding the Fourth Proportional to 1,025,372.20, 1,538,058.30 and 492,764.80

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Solution

The fourth proportional to 1,025,372.20, 1,538,058.30 and 492,764.80 is: 739,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,372.20 : 1,538,058.30 = 492,764.80 : x
  2. Step 2: Convert to fraction form
    1,025,372.20/1,538,058.30 = 492,764.80/x
  3. Step 3: Cross multiply
    1,025,372.20x = 1,538,058.30 × 492,764.80
  4. Step 4: Simplify right side
    1,025,372.20x = 757,900,990,587.84
  5. Step 5: Solve for x
    x = 757,900,990,587.84/1,025,372.20
  6. Step 6: Final answer
    x = 739,147.20

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Double scale
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Similar ratio
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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.