Home / 1,268,789.42-1,902,424.13-403,850.77

Finding the Fourth Proportional to 1,268,789.42, 1,902,424.13 and 403,850.77

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Solution

The fourth proportional to 1,268,789.42, 1,902,424.13 and 403,850.77 is: 605,534.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,789.42 : 1,902,424.13 = 403,850.77 : x
  2. Step 2: Convert to fraction form
    1,268,789.42/1,902,424.13 = 403,850.77/x
  3. Step 3: Cross multiply
    1,268,789.42x = 1,902,424.13 × 403,850.77
  4. Step 4: Simplify right side
    1,268,789.42x = 768,295,442,991.77
  5. Step 5: Solve for x
    x = 768,295,442,991.77/1,268,789.42
  6. Step 6: Final answer
    x = 605,534.24

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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.