Home / 842,843.64-1,162,130.38-681,198.83

Finding the Fourth Proportional to 842,843.64, 1,162,130.38 and 681,198.83

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Solution

The fourth proportional to 842,843.64, 1,162,130.38 and 681,198.83 is: 939,251.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,843.64 : 1,162,130.38 = 681,198.83 : x
  2. Step 2: Convert to fraction form
    842,843.64/1,162,130.38 = 681,198.83/x
  3. Step 3: Cross multiply
    842,843.64x = 1,162,130.38 × 681,198.83
  4. Step 4: Simplify right side
    842,843.64x = 791,641,847,649.81
  5. Step 5: Solve for x
    x = 791,641,847,649.81/842,843.64
  6. Step 6: Final answer
    x = 939,251.14

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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.