Home / 1,313,841.44-1,970,149.52-682,585.76

Finding the Fourth Proportional to 1,313,841.44, 1,970,149.52 and 682,585.76

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Solution

The fourth proportional to 1,313,841.44, 1,970,149.52 and 682,585.76 is: 1,023,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,841.44 : 1,970,149.52 = 682,585.76 : x
  2. Step 2: Convert to fraction form
    1,313,841.44/1,970,149.52 = 682,585.76/x
  3. Step 3: Cross multiply
    1,313,841.44x = 1,970,149.52 × 682,585.76
  4. Step 4: Simplify right side
    1,313,841.44x = 1,344,796,007,422.84
  5. Step 5: Solve for x
    x = 1,344,796,007,422.84/1,313,841.44
  6. Step 6: Final answer
    x = 1,023,560.35

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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.