Home / 1,268,003.10-1,902,122.19-458,589.90

Finding the Fourth Proportional to 1,268,003.10, 1,902,122.19 and 458,589.90

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Solution

The fourth proportional to 1,268,003.10, 1,902,122.19 and 458,589.90 is: 687,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,003.10 : 1,902,122.19 = 458,589.90 : x
  2. Step 2: Convert to fraction form
    1,268,003.10/1,902,122.19 = 458,589.90/x
  3. Step 3: Cross multiply
    1,268,003.10x = 1,902,122.19 × 458,589.90
  4. Step 4: Simplify right side
    1,268,003.10x = 872,294,024,899.88
  5. Step 5: Solve for x
    x = 872,294,024,899.88/1,268,003.10
  6. Step 6: Final answer
    x = 687,927.36

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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.