Home / 1,222,922.40-1,826,148.72-998,727.90

Finding the Fourth Proportional to 1,222,922.40, 1,826,148.72 and 998,727.90

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Solution

The fourth proportional to 1,222,922.40, 1,826,148.72 and 998,727.90 is: 1,491,366.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,922.40 : 1,826,148.72 = 998,727.90 : x
  2. Step 2: Convert to fraction form
    1,222,922.40/1,826,148.72 = 998,727.90/x
  3. Step 3: Cross multiply
    1,222,922.40x = 1,826,148.72 × 998,727.90
  4. Step 4: Simplify right side
    1,222,922.40x = 1,823,825,676,213.29
  5. Step 5: Solve for x
    x = 1,823,825,676,213.29/1,222,922.40
  6. Step 6: Final answer
    x = 1,491,366.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.