Home / 1,919,671.76-2,879,857.56-960,628.88

Finding the Fourth Proportional to 1,919,671.76, 2,879,857.56 and 960,628.88

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Solution

The fourth proportional to 1,919,671.76, 2,879,857.56 and 960,628.88 is: 1,441,118.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,671.76 : 2,879,857.56 = 960,628.88 : x
  2. Step 2: Convert to fraction form
    1,919,671.76/2,879,857.56 = 960,628.88/x
  3. Step 3: Cross multiply
    1,919,671.76x = 2,879,857.56 × 960,628.88
  4. Step 4: Simplify right side
    1,919,671.76x = 2,766,474,342,422.33
  5. Step 5: Solve for x
    x = 2,766,474,342,422.33/1,919,671.76
  6. Step 6: Final answer
    x = 1,441,118.42

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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.