Home / 1,109,260.22-1,659,512.43-840,163.53

Finding the Fourth Proportional to 1,109,260.22, 1,659,512.43 and 840,163.53

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Solution

The fourth proportional to 1,109,260.22, 1,659,512.43 and 840,163.53 is: 1,256,929.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,260.22 : 1,659,512.43 = 840,163.53 : x
  2. Step 2: Convert to fraction form
    1,109,260.22/1,659,512.43 = 840,163.53/x
  3. Step 3: Cross multiply
    1,109,260.22x = 1,659,512.43 × 840,163.53
  4. Step 4: Simplify right side
    1,109,260.22x = 1,394,261,821,267.68
  5. Step 5: Solve for x
    x = 1,394,261,821,267.68/1,109,260.22
  6. Step 6: Final answer
    x = 1,256,929.44

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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.