Home / 971,629.32-1,447,785.13-865,633.80

Finding the Fourth Proportional to 971,629.32, 1,447,785.13 and 865,633.80

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Solution

The fourth proportional to 971,629.32, 1,447,785.13 and 865,633.80 is: 1,289,845.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,629.32 : 1,447,785.13 = 865,633.80 : x
  2. Step 2: Convert to fraction form
    971,629.32/1,447,785.13 = 865,633.80/x
  3. Step 3: Cross multiply
    971,629.32x = 1,447,785.13 × 865,633.80
  4. Step 4: Simplify right side
    971,629.32x = 1,253,251,743,665.39
  5. Step 5: Solve for x
    x = 1,253,251,743,665.39/971,629.32
  6. Step 6: Final answer
    x = 1,289,845.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.