Home / 1,282,750.92-1,770,171.30-709,791.48

Finding the Fourth Proportional to 1,282,750.92, 1,770,171.30 and 709,791.48

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Solution

The fourth proportional to 1,282,750.92, 1,770,171.30 and 709,791.48 is: 979,498.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,750.92 : 1,770,171.30 = 709,791.48 : x
  2. Step 2: Convert to fraction form
    1,282,750.92/1,770,171.30 = 709,791.48/x
  3. Step 3: Cross multiply
    1,282,750.92x = 1,770,171.30 × 709,791.48
  4. Step 4: Simplify right side
    1,282,750.92x = 1,256,452,506,880.52
  5. Step 5: Solve for x
    x = 1,256,452,506,880.52/1,282,750.92
  6. Step 6: Final answer
    x = 979,498.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.