Home / 1,268,621.85-1,902,458.49-510,207.03

Finding the Fourth Proportional to 1,268,621.85, 1,902,458.49 and 510,207.03

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Solution

The fourth proportional to 1,268,621.85, 1,902,458.49 and 510,207.03 is: 765,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,621.85 : 1,902,458.49 = 510,207.03 : x
  2. Step 2: Convert to fraction form
    1,268,621.85/1,902,458.49 = 510,207.03/x
  3. Step 3: Cross multiply
    1,268,621.85x = 1,902,458.49 × 510,207.03
  4. Step 4: Simplify right side
    1,268,621.85x = 970,647,695,881.19
  5. Step 5: Solve for x
    x = 970,647,695,881.19/1,268,621.85
  6. Step 6: Final answer
    x = 765,119.80

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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.