Home / 1,282,729.70-1,770,046.43-868,423.69

Finding the Fourth Proportional to 1,282,729.70, 1,770,046.43 and 868,423.69

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Solution

The fourth proportional to 1,282,729.70, 1,770,046.43 and 868,423.69 is: 1,198,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,729.70 : 1,770,046.43 = 868,423.69 : x
  2. Step 2: Convert to fraction form
    1,282,729.70/1,770,046.43 = 868,423.69/x
  3. Step 3: Cross multiply
    1,282,729.70x = 1,770,046.43 × 868,423.69
  4. Step 4: Simplify right side
    1,282,729.70x = 1,537,150,239,019.58
  5. Step 5: Solve for x
    x = 1,537,150,239,019.58/1,282,729.70
  6. Step 6: Final answer
    x = 1,198,343.06

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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.