Home / 1,949,747.28-2,690,600.88-1,078,559.25

Finding the Fourth Proportional to 1,949,747.28, 2,690,600.88 and 1,078,559.25

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Solution

The fourth proportional to 1,949,747.28, 2,690,600.88 and 1,078,559.25 is: 1,488,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,747.28 : 2,690,600.88 = 1,078,559.25 : x
  2. Step 2: Convert to fraction form
    1,949,747.28/2,690,600.88 = 1,078,559.25/x
  3. Step 3: Cross multiply
    1,949,747.28x = 2,690,600.88 × 1,078,559.25
  4. Step 4: Simplify right side
    1,949,747.28x = 2,901,972,467,182.14
  5. Step 5: Solve for x
    x = 2,901,972,467,182.14/1,949,747.28
  6. Step 6: Final answer
    x = 1,488,383.90

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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.