Home / 1,268,002.60-1,902,121.44-458,589.40

Finding the Fourth Proportional to 1,268,002.60, 1,902,121.44 and 458,589.40

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Solution

The fourth proportional to 1,268,002.60, 1,902,121.44 and 458,589.40 is: 687,926.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,002.60 : 1,902,121.44 = 458,589.40 : x
  2. Step 2: Convert to fraction form
    1,268,002.60/1,902,121.44 = 458,589.40/x
  3. Step 3: Cross multiply
    1,268,002.60x = 1,902,121.44 × 458,589.40
  4. Step 4: Simplify right side
    1,268,002.60x = 872,292,729,896.74
  5. Step 5: Solve for x
    x = 872,292,729,896.74/1,268,002.60
  6. Step 6: Final answer
    x = 687,926.61

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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.