Home / 1,192,047.60-1,645,016.82-648,183.72

Finding the Fourth Proportional to 1,192,047.60, 1,645,016.82 and 648,183.72

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Solution

The fourth proportional to 1,192,047.60, 1,645,016.82 and 648,183.72 is: 894,488.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,047.60 : 1,645,016.82 = 648,183.72 : x
  2. Step 2: Convert to fraction form
    1,192,047.60/1,645,016.82 = 648,183.72/x
  3. Step 3: Cross multiply
    1,192,047.60x = 1,645,016.82 × 648,183.72
  4. Step 4: Simplify right side
    1,192,047.60x = 1,066,273,121,850.17
  5. Step 5: Solve for x
    x = 1,066,273,121,850.17/1,192,047.60
  6. Step 6: Final answer
    x = 894,488.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.