Home / 1,399,959.03-2,100,374.54-501,408.56

Finding the Fourth Proportional to 1,399,959.03, 2,100,374.54 and 501,408.56

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Solution

The fourth proportional to 1,399,959.03, 2,100,374.54 and 501,408.56 is: 752,268.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,959.03 : 2,100,374.54 = 501,408.56 : x
  2. Step 2: Convert to fraction form
    1,399,959.03/2,100,374.54 = 501,408.56/x
  3. Step 3: Cross multiply
    1,399,959.03x = 2,100,374.54 × 501,408.56
  4. Step 4: Simplify right side
    1,399,959.03x = 1,053,145,760,553.15
  5. Step 5: Solve for x
    x = 1,053,145,760,553.15/1,399,959.03
  6. Step 6: Final answer
    x = 752,268.99

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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.