Home / 1,202,314.40-1,659,288.82-685,949.71

Finding the Fourth Proportional to 1,202,314.40, 1,659,288.82 and 685,949.71

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Solution

The fourth proportional to 1,202,314.40, 1,659,288.82 and 685,949.71 is: 946,664.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,314.40 : 1,659,288.82 = 685,949.71 : x
  2. Step 2: Convert to fraction form
    1,202,314.40/1,659,288.82 = 685,949.71/x
  3. Step 3: Cross multiply
    1,202,314.40x = 1,659,288.82 × 685,949.71
  4. Step 4: Simplify right side
    1,202,314.40x = 1,138,188,676,588.80
  5. Step 5: Solve for x
    x = 1,138,188,676,588.80/1,202,314.40
  6. Step 6: Final answer
    x = 946,664.76

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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.