Home / 1,101,067.20-1,651,204.17-381,213.45

Finding the Fourth Proportional to 1,101,067.20, 1,651,204.17 and 381,213.45

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Solution

The fourth proportional to 1,101,067.20, 1,651,204.17 and 381,213.45 is: 571,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,067.20 : 1,651,204.17 = 381,213.45 : x
  2. Step 2: Convert to fraction form
    1,101,067.20/1,651,204.17 = 381,213.45/x
  3. Step 3: Cross multiply
    1,101,067.20x = 1,651,204.17 × 381,213.45
  4. Step 4: Simplify right side
    1,101,067.20x = 629,461,238,300.09
  5. Step 5: Solve for x
    x = 629,461,238,300.09/1,101,067.20
  6. Step 6: Final answer
    x = 571,682.85

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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.