Home / 1,322,324.32-1,824,819.60-718,713.76

Finding the Fourth Proportional to 1,322,324.32, 1,824,819.60 and 718,713.76

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Solution

The fourth proportional to 1,322,324.32, 1,824,819.60 and 718,713.76 is: 991,831.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,324.32 : 1,824,819.60 = 718,713.76 : x
  2. Step 2: Convert to fraction form
    1,322,324.32/1,824,819.60 = 718,713.76/x
  3. Step 3: Cross multiply
    1,322,324.32x = 1,824,819.60 × 718,713.76
  4. Step 4: Simplify right side
    1,322,324.32x = 1,311,522,956,037.70
  5. Step 5: Solve for x
    x = 1,311,522,956,037.70/1,322,324.32
  6. Step 6: Final answer
    x = 991,831.53

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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.