Home / 1,659,512.40-2,488,005-761,209.44

Finding the Fourth Proportional to 1,659,512.40, 2,488,005 and 761,209.44

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Solution

The fourth proportional to 1,659,512.40, 2,488,005 and 761,209.44 is: 1,141,234.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,512.40 : 2,488,005 = 761,209.44 : x
  2. Step 2: Convert to fraction form
    1,659,512.40/2,488,005 = 761,209.44/x
  3. Step 3: Cross multiply
    1,659,512.40x = 2,488,005 × 761,209.44
  4. Step 4: Simplify right side
    1,659,512.40x = 1,893,892,892,767.20
  5. Step 5: Solve for x
    x = 1,893,892,892,767.20/1,659,512.40
  6. Step 6: Final answer
    x = 1,141,234.55

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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.