Home / 1,225,758.97-1,691,601.96-1,021,467.88

Finding the Fourth Proportional to 1,225,758.97, 1,691,601.96 and 1,021,467.88

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Solution

The fourth proportional to 1,225,758.97, 1,691,601.96 and 1,021,467.88 is: 1,409,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,758.97 : 1,691,601.96 = 1,021,467.88 : x
  2. Step 2: Convert to fraction form
    1,225,758.97/1,691,601.96 = 1,021,467.88/x
  3. Step 3: Cross multiply
    1,225,758.97x = 1,691,601.96 × 1,021,467.88
  4. Step 4: Simplify right side
    1,225,758.97x = 1,727,917,067,885.04
  5. Step 5: Solve for x
    x = 1,727,917,067,885.04/1,225,758.97
  6. Step 6: Final answer
    x = 1,409,671.16

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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.