Home / 1,682,873.92-2,322,365.80-918,928.20

Finding the Fourth Proportional to 1,682,873.92, 2,322,365.80 and 918,928.20

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Solution

The fourth proportional to 1,682,873.92, 2,322,365.80 and 918,928.20 is: 1,268,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,873.92 : 2,322,365.80 = 918,928.20 : x
  2. Step 2: Convert to fraction form
    1,682,873.92/2,322,365.80 = 918,928.20/x
  3. Step 3: Cross multiply
    1,682,873.92x = 2,322,365.80 × 918,928.20
  4. Step 4: Simplify right side
    1,682,873.92x = 2,134,087,424,335.56
  5. Step 5: Solve for x
    x = 2,134,087,424,335.56/1,682,873.92
  6. Step 6: Final answer
    x = 1,268,120.80

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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.