Home / 1,338,158.71-1,846,654.41-726,311.44

Finding the Fourth Proportional to 1,338,158.71, 1,846,654.41 and 726,311.44

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Solution

The fourth proportional to 1,338,158.71, 1,846,654.41 and 726,311.44 is: 1,002,307.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,158.71 : 1,846,654.41 = 726,311.44 : x
  2. Step 2: Convert to fraction form
    1,338,158.71/1,846,654.41 = 726,311.44/x
  3. Step 3: Cross multiply
    1,338,158.71x = 1,846,654.41 × 726,311.44
  4. Step 4: Simplify right side
    1,338,158.71x = 1,341,246,228,741.44
  5. Step 5: Solve for x
    x = 1,341,246,228,741.44/1,338,158.71
  6. Step 6: Final answer
    x = 1,002,307.29

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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.