Home / 1,198,643.04-1,654,177.68-689,345.82

Finding the Fourth Proportional to 1,198,643.04, 1,654,177.68 and 689,345.82

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Solution

The fourth proportional to 1,198,643.04, 1,654,177.68 and 689,345.82 is: 951,326.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,643.04 : 1,654,177.68 = 689,345.82 : x
  2. Step 2: Convert to fraction form
    1,198,643.04/1,654,177.68 = 689,345.82/x
  3. Step 3: Cross multiply
    1,198,643.04x = 1,654,177.68 × 689,345.82
  4. Step 4: Simplify right side
    1,198,643.04x = 1,140,300,469,245.30
  5. Step 5: Solve for x
    x = 1,140,300,469,245.30/1,198,643.04
  6. Step 6: Final answer
    x = 951,326.15

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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.