Home / 969,785.19-1,338,425.78-587,763.27

Finding the Fourth Proportional to 969,785.19, 1,338,425.78 and 587,763.27

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Solution

The fourth proportional to 969,785.19, 1,338,425.78 and 587,763.27 is: 811,187.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,785.19 : 1,338,425.78 = 587,763.27 : x
  2. Step 2: Convert to fraction form
    969,785.19/1,338,425.78 = 587,763.27/x
  3. Step 3: Cross multiply
    969,785.19x = 1,338,425.78 × 587,763.27
  4. Step 4: Simplify right side
    969,785.19x = 786,677,510,166.28
  5. Step 5: Solve for x
    x = 786,677,510,166.28/969,785.19
  6. Step 6: Final answer
    x = 811,187.38

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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.