Home / 1,230,489.30-1,845,733.95-755,634.90

Finding the Fourth Proportional to 1,230,489.30, 1,845,733.95 and 755,634.90

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Solution

The fourth proportional to 1,230,489.30, 1,845,733.95 and 755,634.90 is: 1,133,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,489.30 : 1,845,733.95 = 755,634.90 : x
  2. Step 2: Convert to fraction form
    1,230,489.30/1,845,733.95 = 755,634.90/x
  3. Step 3: Cross multiply
    1,230,489.30x = 1,845,733.95 × 755,634.90
  4. Step 4: Simplify right side
    1,230,489.30x = 1,394,700,988,734.86
  5. Step 5: Solve for x
    x = 1,394,700,988,734.86/1,230,489.30
  6. Step 6: Final answer
    x = 1,133,452.35

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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.