Home / 1,198,676.04-1,654,223.28-689,378.88

Finding the Fourth Proportional to 1,198,676.04, 1,654,223.28 and 689,378.88

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Solution

The fourth proportional to 1,198,676.04, 1,654,223.28 and 689,378.88 is: 951,371.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,676.04 : 1,654,223.28 = 689,378.88 : x
  2. Step 2: Convert to fraction form
    1,198,676.04/1,654,223.28 = 689,378.88/x
  3. Step 3: Cross multiply
    1,198,676.04x = 1,654,223.28 × 689,378.88
  4. Step 4: Simplify right side
    1,198,676.04x = 1,140,386,592,036.33
  5. Step 5: Solve for x
    x = 1,140,386,592,036.33/1,198,676.04
  6. Step 6: Final answer
    x = 951,371.81

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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.