Home / 890,982.05-1,337,613.57-765,425.57

Finding the Fourth Proportional to 890,982.05, 1,337,613.57 and 765,425.57

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Solution

The fourth proportional to 890,982.05, 1,337,613.57 and 765,425.57 is: 1,149,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,982.05 : 1,337,613.57 = 765,425.57 : x
  2. Step 2: Convert to fraction form
    890,982.05/1,337,613.57 = 765,425.57/x
  3. Step 3: Cross multiply
    890,982.05x = 1,337,613.57 × 765,425.57
  4. Step 4: Simplify right side
    890,982.05x = 1,023,843,629,256.98
  5. Step 5: Solve for x
    x = 1,023,843,629,256.98/890,982.05
  6. Step 6: Final answer
    x = 1,149,118.13

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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.