Home / 1,222,936.20-1,834,404.30-768,258.90

Finding the Fourth Proportional to 1,222,936.20, 1,834,404.30 and 768,258.90

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Solution

The fourth proportional to 1,222,936.20, 1,834,404.30 and 768,258.90 is: 1,152,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,936.20 : 1,834,404.30 = 768,258.90 : x
  2. Step 2: Convert to fraction form
    1,222,936.20/1,834,404.30 = 768,258.90/x
  3. Step 3: Cross multiply
    1,222,936.20x = 1,834,404.30 × 768,258.90
  4. Step 4: Simplify right side
    1,222,936.20x = 1,409,297,429,673.27
  5. Step 5: Solve for x
    x = 1,409,297,429,673.27/1,222,936.20
  6. Step 6: Final answer
    x = 1,152,388.35

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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.