Home / 1,129,600.90-1,694,390.55-276,676.30

Finding the Fourth Proportional to 1,129,600.90, 1,694,390.55 and 276,676.30

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Solution

The fourth proportional to 1,129,600.90, 1,694,390.55 and 276,676.30 is: 415,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,600.90 : 1,694,390.55 = 276,676.30 : x
  2. Step 2: Convert to fraction form
    1,129,600.90/1,694,390.55 = 276,676.30/x
  3. Step 3: Cross multiply
    1,129,600.90x = 1,694,390.55 × 276,676.30
  4. Step 4: Simplify right side
    1,129,600.90x = 468,797,708,128.97
  5. Step 5: Solve for x
    x = 468,797,708,128.97/1,129,600.90
  6. Step 6: Final answer
    x = 415,011.80

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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.