Home / 1,435,812.28-1,981,433.94-791,255.56

Finding the Fourth Proportional to 1,435,812.28, 1,981,433.94 and 791,255.56

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Solution

The fourth proportional to 1,435,812.28, 1,981,433.94 and 791,255.56 is: 1,091,939.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,812.28 : 1,981,433.94 = 791,255.56 : x
  2. Step 2: Convert to fraction form
    1,435,812.28/1,981,433.94 = 791,255.56/x
  3. Step 3: Cross multiply
    1,435,812.28x = 1,981,433.94 × 791,255.56
  4. Step 4: Simplify right side
    1,435,812.28x = 1,567,820,621,797.71
  5. Step 5: Solve for x
    x = 1,567,820,621,797.71/1,435,812.28
  6. Step 6: Final answer
    x = 1,091,939.83

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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.