Home / 1,259,155.64-1,889,291.15-659,974.34

Finding the Fourth Proportional to 1,259,155.64, 1,889,291.15 and 659,974.34

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Solution

The fourth proportional to 1,259,155.64, 1,889,291.15 and 659,974.34 is: 990,253.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,155.64 : 1,889,291.15 = 659,974.34 : x
  2. Step 2: Convert to fraction form
    1,259,155.64/1,889,291.15 = 659,974.34/x
  3. Step 3: Cross multiply
    1,259,155.64x = 1,889,291.15 × 659,974.34
  4. Step 4: Simplify right side
    1,259,155.64x = 1,246,883,667,042.76
  5. Step 5: Solve for x
    x = 1,246,883,667,042.76/1,259,155.64
  6. Step 6: Final answer
    x = 990,253.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.