Home / 1,129,704.30-1,694,556.45-381,750.30

Finding the Fourth Proportional to 1,129,704.30, 1,694,556.45 and 381,750.30

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Solution

The fourth proportional to 1,129,704.30, 1,694,556.45 and 381,750.30 is: 572,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,704.30 : 1,694,556.45 = 381,750.30 : x
  2. Step 2: Convert to fraction form
    1,129,704.30/1,694,556.45 = 381,750.30/x
  3. Step 3: Cross multiply
    1,129,704.30x = 1,694,556.45 × 381,750.30
  4. Step 4: Simplify right side
    1,129,704.30x = 646,897,433,154.44
  5. Step 5: Solve for x
    x = 646,897,433,154.44/1,129,704.30
  6. Step 6: Final answer
    x = 572,625.45

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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.