Home / 1,268,791.42-1,902,427.12-403,852.77

Finding the Fourth Proportional to 1,268,791.42, 1,902,427.12 and 403,852.77

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Solution

The fourth proportional to 1,268,791.42, 1,902,427.12 and 403,852.77 is: 605,537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,791.42 : 1,902,427.12 = 403,852.77 : x
  2. Step 2: Convert to fraction form
    1,268,791.42/1,902,427.12 = 403,852.77/x
  3. Step 3: Cross multiply
    1,268,791.42x = 1,902,427.12 × 403,852.77
  4. Step 4: Simplify right side
    1,268,791.42x = 768,300,462,135.12
  5. Step 5: Solve for x
    x = 768,300,462,135.12/1,268,791.42
  6. Step 6: Final answer
    x = 605,537.25

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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.