Home / 1,313,841.40-1,970,149.56-682,585.72

Finding the Fourth Proportional to 1,313,841.40, 1,970,149.56 and 682,585.72

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Solution

The fourth proportional to 1,313,841.40, 1,970,149.56 and 682,585.72 is: 1,023,560.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,841.40 : 1,970,149.56 = 682,585.72 : x
  2. Step 2: Convert to fraction form
    1,313,841.40/1,970,149.56 = 682,585.72/x
  3. Step 3: Cross multiply
    1,313,841.40x = 1,970,149.56 × 682,585.72
  4. Step 4: Simplify right side
    1,313,841.40x = 1,344,795,955,920.28
  5. Step 5: Solve for x
    x = 1,344,795,955,920.28/1,313,841.40
  6. Step 6: Final answer
    x = 1,023,560.34

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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.