Home / 1,538,204.52-2,122,765.04-849,920.73

Finding the Fourth Proportional to 1,538,204.52, 2,122,765.04 and 849,920.73

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Solution

The fourth proportional to 1,538,204.52, 2,122,765.04 and 849,920.73 is: 1,172,914.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,204.52 : 2,122,765.04 = 849,920.73 : x
  2. Step 2: Convert to fraction form
    1,538,204.52/2,122,765.04 = 849,920.73/x
  3. Step 3: Cross multiply
    1,538,204.52x = 2,122,765.04 × 849,920.73
  4. Step 4: Simplify right side
    1,538,204.52x = 1,804,182,008,165.68
  5. Step 5: Solve for x
    x = 1,804,182,008,165.68/1,538,204.52
  6. Step 6: Final answer
    x = 1,172,914.25

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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.