Home / 1,119,844.97-1,679,773.60-278,396.72

Finding the Fourth Proportional to 1,119,844.97, 1,679,773.60 and 278,396.72

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Solution

The fourth proportional to 1,119,844.97, 1,679,773.60 and 278,396.72 is: 417,596.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,844.97 : 1,679,773.60 = 278,396.72 : x
  2. Step 2: Convert to fraction form
    1,119,844.97/1,679,773.60 = 278,396.72/x
  3. Step 3: Cross multiply
    1,119,844.97x = 1,679,773.60 × 278,396.72
  4. Step 4: Simplify right side
    1,119,844.97x = 467,643,458,830.87
  5. Step 5: Solve for x
    x = 467,643,458,830.87/1,119,844.97
  6. Step 6: Final answer
    x = 417,596.61

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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.