Home / 1,452,213.24-2,178,320.82-455,019

Finding the Fourth Proportional to 1,452,213.24, 2,178,320.82 and 455,019

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Solution

The fourth proportional to 1,452,213.24, 2,178,320.82 and 455,019 is: 682,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,213.24 : 2,178,320.82 = 455,019 : x
  2. Step 2: Convert to fraction form
    1,452,213.24/2,178,320.82 = 455,019/x
  3. Step 3: Cross multiply
    1,452,213.24x = 2,178,320.82 × 455,019
  4. Step 4: Simplify right side
    1,452,213.24x = 991,177,361,195.58
  5. Step 5: Solve for x
    x = 991,177,361,195.58/1,452,213.24
  6. Step 6: Final answer
    x = 682,528.80

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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.