Home / 1,338,353.40-1,846,930.05-726,506.64

Finding the Fourth Proportional to 1,338,353.40, 1,846,930.05 and 726,506.64

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Solution

The fourth proportional to 1,338,353.40, 1,846,930.05 and 726,506.64 is: 1,002,580.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,353.40 : 1,846,930.05 = 726,506.64 : x
  2. Step 2: Convert to fraction form
    1,338,353.40/1,846,930.05 = 726,506.64/x
  3. Step 3: Cross multiply
    1,338,353.40x = 1,846,930.05 × 726,506.64
  4. Step 4: Simplify right side
    1,338,353.40x = 1,341,806,944,940.53
  5. Step 5: Solve for x
    x = 1,341,806,944,940.53/1,338,353.40
  6. Step 6: Final answer
    x = 1,002,580.44

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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.