Home / 1,293,472.24-1,785,046.89-720,512.80

Finding the Fourth Proportional to 1,293,472.24, 1,785,046.89 and 720,512.80

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Solution

The fourth proportional to 1,293,472.24, 1,785,046.89 and 720,512.80 is: 994,338.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,472.24 : 1,785,046.89 = 720,512.80 : x
  2. Step 2: Convert to fraction form
    1,293,472.24/1,785,046.89 = 720,512.80/x
  3. Step 3: Cross multiply
    1,293,472.24x = 1,785,046.89 × 720,512.80
  4. Step 4: Simplify right side
    1,293,472.24x = 1,286,149,132,845.19
  5. Step 5: Solve for x
    x = 1,286,149,132,845.19/1,293,472.24
  6. Step 6: Final answer
    x = 994,338.41

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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.