Home / 1,378,658.22-1,901,771.79-827,231.39

Finding the Fourth Proportional to 1,378,658.22, 1,901,771.79 and 827,231.39

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Solution

The fourth proportional to 1,378,658.22, 1,901,771.79 and 827,231.39 is: 1,141,113.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,658.22 : 1,901,771.79 = 827,231.39 : x
  2. Step 2: Convert to fraction form
    1,378,658.22/1,901,771.79 = 827,231.39/x
  3. Step 3: Cross multiply
    1,378,658.22x = 1,901,771.79 × 827,231.39
  4. Step 4: Simplify right side
    1,378,658.22x = 1,573,205,321,304.49
  5. Step 5: Solve for x
    x = 1,573,205,321,304.49/1,378,658.22
  6. Step 6: Final answer
    x = 1,141,113.37

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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.