Home / 1,192,310.25-1,645,372.23-648,434.34

Finding the Fourth Proportional to 1,192,310.25, 1,645,372.23 and 648,434.34

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Solution

The fourth proportional to 1,192,310.25, 1,645,372.23 and 648,434.34 is: 894,830.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,310.25 : 1,645,372.23 = 648,434.34 : x
  2. Step 2: Convert to fraction form
    1,192,310.25/1,645,372.23 = 648,434.34/x
  3. Step 3: Cross multiply
    1,192,310.25x = 1,645,372.23 × 648,434.34
  4. Step 4: Simplify right side
    1,192,310.25x = 1,066,915,856,014.38
  5. Step 5: Solve for x
    x = 1,066,915,856,014.38/1,192,310.25
  6. Step 6: Final answer
    x = 894,830.73

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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.