Home / 1,214,998.38-1,676,691.09-671,171.58

Finding the Fourth Proportional to 1,214,998.38, 1,676,691.09 and 671,171.58

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Solution

The fourth proportional to 1,214,998.38, 1,676,691.09 and 671,171.58 is: 926,213.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,998.38 : 1,676,691.09 = 671,171.58 : x
  2. Step 2: Convert to fraction form
    1,214,998.38/1,676,691.09 = 671,171.58/x
  3. Step 3: Cross multiply
    1,214,998.38x = 1,676,691.09 × 671,171.58
  4. Step 4: Simplify right side
    1,214,998.38x = 1,125,347,408,047.22
  5. Step 5: Solve for x
    x = 1,125,347,408,047.22/1,214,998.38
  6. Step 6: Final answer
    x = 926,213.09

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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.