Home / 1,282,991.52-1,770,500.16-702,211.68

Finding the Fourth Proportional to 1,282,991.52, 1,770,500.16 and 702,211.68

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Solution

The fourth proportional to 1,282,991.52, 1,770,500.16 and 702,211.68 is: 969,036.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,991.52 : 1,770,500.16 = 702,211.68 : x
  2. Step 2: Convert to fraction form
    1,282,991.52/1,770,500.16 = 702,211.68/x
  3. Step 3: Cross multiply
    1,282,991.52x = 1,770,500.16 × 702,211.68
  4. Step 4: Simplify right side
    1,282,991.52x = 1,243,265,891,793.87
  5. Step 5: Solve for x
    x = 1,243,265,891,793.87/1,282,991.52
  6. Step 6: Final answer
    x = 969,036.72

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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.