Home / 1,108,123.74-1,529,448.68-699,965.90

Finding the Fourth Proportional to 1,108,123.74, 1,529,448.68 and 699,965.90

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Solution

The fourth proportional to 1,108,123.74, 1,529,448.68 and 699,965.90 is: 966,103.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,123.74 : 1,529,448.68 = 699,965.90 : x
  2. Step 2: Convert to fraction form
    1,108,123.74/1,529,448.68 = 699,965.90/x
  3. Step 3: Cross multiply
    1,108,123.74x = 1,529,448.68 × 699,965.90
  4. Step 4: Simplify right side
    1,108,123.74x = 1,070,561,930,241.26
  5. Step 5: Solve for x
    x = 1,070,561,930,241.26/1,108,123.74
  6. Step 6: Final answer
    x = 966,103.24

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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.