Home / 1,605,819.44-2,215,871.16-926,974.64

Finding the Fourth Proportional to 1,605,819.44, 2,215,871.16 and 926,974.64

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Solution

The fourth proportional to 1,605,819.44, 2,215,871.16 and 926,974.64 is: 1,279,132.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,819.44 : 2,215,871.16 = 926,974.64 : x
  2. Step 2: Convert to fraction form
    1,605,819.44/2,215,871.16 = 926,974.64/x
  3. Step 3: Cross multiply
    1,605,819.44x = 2,215,871.16 × 926,974.64
  4. Step 4: Simplify right side
    1,605,819.44x = 2,054,056,370,827.38
  5. Step 5: Solve for x
    x = 2,054,056,370,827.38/1,605,819.44
  6. Step 6: Final answer
    x = 1,279,132.83

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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.