Home / 1,338,338.51-1,846,909.49-726,491.69

Finding the Fourth Proportional to 1,338,338.51, 1,846,909.49 and 726,491.69

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Solution

The fourth proportional to 1,338,338.51, 1,846,909.49 and 726,491.69 is: 1,002,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,338.51 : 1,846,909.49 = 726,491.69 : x
  2. Step 2: Convert to fraction form
    1,338,338.51/1,846,909.49 = 726,491.69/x
  3. Step 3: Cross multiply
    1,338,338.51x = 1,846,909.49 × 726,491.69
  4. Step 4: Simplify right side
    1,338,338.51x = 1,341,764,395,616.75
  5. Step 5: Solve for x
    x = 1,341,764,395,616.75/1,338,338.51
  6. Step 6: Final answer
    x = 1,002,559.80

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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.