Home / 1,781,454.30-2,672,181.45-451,758.30

Finding the Fourth Proportional to 1,781,454.30, 2,672,181.45 and 451,758.30

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Solution

The fourth proportional to 1,781,454.30, 2,672,181.45 and 451,758.30 is: 677,637.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,454.30 : 2,672,181.45 = 451,758.30 : x
  2. Step 2: Convert to fraction form
    1,781,454.30/2,672,181.45 = 451,758.30/x
  3. Step 3: Cross multiply
    1,781,454.30x = 2,672,181.45 × 451,758.30
  4. Step 4: Simplify right side
    1,781,454.30x = 1,207,180,149,143.54
  5. Step 5: Solve for x
    x = 1,207,180,149,143.54/1,781,454.30
  6. Step 6: Final answer
    x = 677,637.45

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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.