Home / 1,268,790.42-1,902,425.62-403,851.77

Finding the Fourth Proportional to 1,268,790.42, 1,902,425.62 and 403,851.77

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Solution

The fourth proportional to 1,268,790.42, 1,902,425.62 and 403,851.77 is: 605,535.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,790.42 : 1,902,425.62 = 403,851.77 : x
  2. Step 2: Convert to fraction form
    1,268,790.42/1,902,425.62 = 403,851.77/x
  3. Step 3: Cross multiply
    1,268,790.42x = 1,902,425.62 × 403,851.77
  4. Step 4: Simplify right side
    1,268,790.42x = 768,297,953,930.35
  5. Step 5: Solve for x
    x = 768,297,953,930.35/1,268,790.42
  6. Step 6: Final answer
    x = 605,535.75

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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.