Home / 1,258,944.76-1,888,975.30-659,763.48

Finding the Fourth Proportional to 1,258,944.76, 1,888,975.30 and 659,763.48

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Solution

The fourth proportional to 1,258,944.76, 1,888,975.30 and 659,763.48 is: 989,937.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,944.76 : 1,888,975.30 = 659,763.48 : x
  2. Step 2: Convert to fraction form
    1,258,944.76/1,888,975.30 = 659,763.48/x
  3. Step 3: Cross multiply
    1,258,944.76x = 1,888,975.30 × 659,763.48
  4. Step 4: Simplify right side
    1,258,944.76x = 1,246,276,917,562.04
  5. Step 5: Solve for x
    x = 1,246,276,917,562.04/1,258,944.76
  6. Step 6: Final answer
    x = 989,937.73

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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.