Home / 1,121,383.41-1,681,872.12-322,468.89

Finding the Fourth Proportional to 1,121,383.41, 1,681,872.12 and 322,468.89

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Solution

The fourth proportional to 1,121,383.41, 1,681,872.12 and 322,468.89 is: 483,644.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,383.41 : 1,681,872.12 = 322,468.89 : x
  2. Step 2: Convert to fraction form
    1,121,383.41/1,681,872.12 = 322,468.89/x
  3. Step 3: Cross multiply
    1,121,383.41x = 1,681,872.12 × 322,468.89
  4. Step 4: Simplify right side
    1,121,383.41x = 542,351,435,658.35
  5. Step 5: Solve for x
    x = 542,351,435,658.35/1,121,383.41
  6. Step 6: Final answer
    x = 483,644.96

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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.