Home / 843,404.60-1,263,138.60-826,491.80

Finding the Fourth Proportional to 843,404.60, 1,263,138.60 and 826,491.80

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Solution

The fourth proportional to 843,404.60, 1,263,138.60 and 826,491.80 is: 1,237,808.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,404.60 : 1,263,138.60 = 826,491.80 : x
  2. Step 2: Convert to fraction form
    843,404.60/1,263,138.60 = 826,491.80/x
  3. Step 3: Cross multiply
    843,404.60x = 1,263,138.60 × 826,491.80
  4. Step 4: Simplify right side
    843,404.60x = 1,043,973,695,163.48
  5. Step 5: Solve for x
    x = 1,043,973,695,163.48/843,404.60
  6. Step 6: Final answer
    x = 1,237,808.87

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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.