Home / 1,263,815.28-1,744,378.50-720,273.44

Finding the Fourth Proportional to 1,263,815.28, 1,744,378.50 and 720,273.44

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Solution

The fourth proportional to 1,263,815.28, 1,744,378.50 and 720,273.44 is: 994,155.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,815.28 : 1,744,378.50 = 720,273.44 : x
  2. Step 2: Convert to fraction form
    1,263,815.28/1,744,378.50 = 720,273.44/x
  3. Step 3: Cross multiply
    1,263,815.28x = 1,744,378.50 × 720,273.44
  4. Step 4: Simplify right side
    1,263,815.28x = 1,256,429,502,857.04
  5. Step 5: Solve for x
    x = 1,256,429,502,857.04/1,263,815.28
  6. Step 6: Final answer
    x = 994,155.97

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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.