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Finding the Fourth Proportional to 1,419,188, 1,958,479.44 and 967,268.48

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Solution

The fourth proportional to 1,419,188, 1,958,479.44 and 967,268.48 is: 1,334,830.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,188 : 1,958,479.44 = 967,268.48 : x
  2. Step 2: Convert to fraction form
    1,419,188/1,958,479.44 = 967,268.48/x
  3. Step 3: Cross multiply
    1,419,188x = 1,958,479.44 × 967,268.48
  4. Step 4: Simplify right side
    1,419,188x = 1,894,375,431,040.05
  5. Step 5: Solve for x
    x = 1,894,375,431,040.05/1,419,188
  6. Step 6: Final answer
    x = 1,334,830.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.