Home / 1,120,660.44-1,681,002.16-321,939.96

Finding the Fourth Proportional to 1,120,660.44, 1,681,002.16 and 321,939.96

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Solution

The fourth proportional to 1,120,660.44, 1,681,002.16 and 321,939.96 is: 482,913.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,660.44 : 1,681,002.16 = 321,939.96 : x
  2. Step 2: Convert to fraction form
    1,120,660.44/1,681,002.16 = 321,939.96/x
  3. Step 3: Cross multiply
    1,120,660.44x = 1,681,002.16 × 321,939.96
  4. Step 4: Simplify right side
    1,120,660.44x = 541,181,768,150.31
  5. Step 5: Solve for x
    x = 541,181,768,150.31/1,120,660.44
  6. Step 6: Final answer
    x = 482,913.24

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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.