Home / 1,338,703.28-1,847,426.40-726,863.36

Finding the Fourth Proportional to 1,338,703.28, 1,847,426.40 and 726,863.36

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Solution

The fourth proportional to 1,338,703.28, 1,847,426.40 and 726,863.36 is: 1,003,080.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,703.28 : 1,847,426.40 = 726,863.36 : x
  2. Step 2: Convert to fraction form
    1,338,703.28/1,847,426.40 = 726,863.36/x
  3. Step 3: Cross multiply
    1,338,703.28x = 1,847,426.40 × 726,863.36
  4. Step 4: Simplify right side
    1,338,703.28x = 1,342,826,560,456.70
  5. Step 5: Solve for x
    x = 1,342,826,560,456.70/1,338,703.28
  6. Step 6: Final answer
    x = 1,003,080.06

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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.