Home / 1,246,607.40-1,870,785.90-798,418.20

Finding the Fourth Proportional to 1,246,607.40, 1,870,785.90 and 798,418.20

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Solution

The fourth proportional to 1,246,607.40, 1,870,785.90 and 798,418.20 is: 1,198,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,607.40 : 1,870,785.90 = 798,418.20 : x
  2. Step 2: Convert to fraction form
    1,246,607.40/1,870,785.90 = 798,418.20/x
  3. Step 3: Cross multiply
    1,246,607.40x = 1,870,785.90 × 798,418.20
  4. Step 4: Simplify right side
    1,246,607.40x = 1,493,669,510,863.38
  5. Step 5: Solve for x
    x = 1,493,669,510,863.38/1,246,607.40
  6. Step 6: Final answer
    x = 1,198,187.59

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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.