Home / 1,615,645.33-2,229,579.38-890,493.43

Finding the Fourth Proportional to 1,615,645.33, 2,229,579.38 and 890,493.43

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Solution

The fourth proportional to 1,615,645.33, 2,229,579.38 and 890,493.43 is: 1,228,874.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,645.33 : 2,229,579.38 = 890,493.43 : x
  2. Step 2: Convert to fraction form
    1,615,645.33/2,229,579.38 = 890,493.43/x
  3. Step 3: Cross multiply
    1,615,645.33x = 2,229,579.38 × 890,493.43
  4. Step 4: Simplify right side
    1,615,645.33x = 1,985,425,789,553.47
  5. Step 5: Solve for x
    x = 1,985,425,789,553.47/1,615,645.33
  6. Step 6: Final answer
    x = 1,228,874.77

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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.