Home / 1,437,494.80-2,155,939.80-726,854.80

Finding the Fourth Proportional to 1,437,494.80, 2,155,939.80 and 726,854.80

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Solution

The fourth proportional to 1,437,494.80, 2,155,939.80 and 726,854.80 is: 1,090,129.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,494.80 : 2,155,939.80 = 726,854.80 : x
  2. Step 2: Convert to fraction form
    1,437,494.80/2,155,939.80 = 726,854.80/x
  3. Step 3: Cross multiply
    1,437,494.80x = 2,155,939.80 × 726,854.80
  4. Step 4: Simplify right side
    1,437,494.80x = 1,567,055,192,141.04
  5. Step 5: Solve for x
    x = 1,567,055,192,141.04/1,437,494.80
  6. Step 6: Final answer
    x = 1,090,129.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.