Home / 1,722,263.80-2,583,976.46-762,588.38

Finding the Fourth Proportional to 1,722,263.80, 2,583,976.46 and 762,588.38

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Solution

The fourth proportional to 1,722,263.80, 2,583,976.46 and 762,588.38 is: 1,144,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722,263.80 : 2,583,976.46 = 762,588.38 : x
  2. Step 2: Convert to fraction form
    1,722,263.80/2,583,976.46 = 762,588.38/x
  3. Step 3: Cross multiply
    1,722,263.80x = 2,583,976.46 × 762,588.38
  4. Step 4: Simplify right side
    1,722,263.80x = 1,970,510,422,589.53
  5. Step 5: Solve for x
    x = 1,970,510,422,589.53/1,722,263.80
  6. Step 6: Final answer
    x = 1,144,139.72

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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.