Home / 1,149,398.66-1,721,440.77-1,109,540.58

Finding the Fourth Proportional to 1,149,398.66, 1,721,440.77 and 1,109,540.58

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Solution

The fourth proportional to 1,149,398.66, 1,721,440.77 and 1,109,540.58 is: 1,661,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,398.66 : 1,721,440.77 = 1,109,540.58 : x
  2. Step 2: Convert to fraction form
    1,149,398.66/1,721,440.77 = 1,109,540.58/x
  3. Step 3: Cross multiply
    1,149,398.66x = 1,721,440.77 × 1,109,540.58
  4. Step 4: Simplify right side
    1,149,398.66x = 1,910,008,390,381.45
  5. Step 5: Solve for x
    x = 1,910,008,390,381.45/1,149,398.66
  6. Step 6: Final answer
    x = 1,661,745.80

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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.