Home / 1,263,814.28-1,744,377.12-720,272.44

Finding the Fourth Proportional to 1,263,814.28, 1,744,377.12 and 720,272.44

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Solution

The fourth proportional to 1,263,814.28, 1,744,377.12 and 720,272.44 is: 994,154.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,814.28 : 1,744,377.12 = 720,272.44 : x
  2. Step 2: Convert to fraction form
    1,263,814.28/1,744,377.12 = 720,272.44/x
  3. Step 3: Cross multiply
    1,263,814.28x = 1,744,377.12 × 720,272.44
  4. Step 4: Simplify right side
    1,263,814.28x = 1,256,426,764,502.57
  5. Step 5: Solve for x
    x = 1,256,426,764,502.57/1,263,814.28
  6. Step 6: Final answer
    x = 994,154.59

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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.