Home / 1,268,644.88-1,902,493.20-510,230.36

Finding the Fourth Proportional to 1,268,644.88, 1,902,493.20 and 510,230.36

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Solution

The fourth proportional to 1,268,644.88, 1,902,493.20 and 510,230.36 is: 765,154.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,644.88 : 1,902,493.20 = 510,230.36 : x
  2. Step 2: Convert to fraction form
    1,268,644.88/1,902,493.20 = 510,230.36/x
  3. Step 3: Cross multiply
    1,268,644.88x = 1,902,493.20 × 510,230.36
  4. Step 4: Simplify right side
    1,268,644.88x = 970,709,790,333.55
  5. Step 5: Solve for x
    x = 970,709,790,333.55/1,268,644.88
  6. Step 6: Final answer
    x = 765,154.86

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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.