Home / 1,686,819.05-2,530,228.67-488,742.16

Finding the Fourth Proportional to 1,686,819.05, 2,530,228.67 and 488,742.16

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Solution

The fourth proportional to 1,686,819.05, 2,530,228.67 and 488,742.16 is: 733,113.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,819.05 : 2,530,228.67 = 488,742.16 : x
  2. Step 2: Convert to fraction form
    1,686,819.05/2,530,228.67 = 488,742.16/x
  3. Step 3: Cross multiply
    1,686,819.05x = 2,530,228.67 × 488,742.16
  4. Step 4: Simplify right side
    1,686,819.05x = 1,236,629,425,469.73
  5. Step 5: Solve for x
    x = 1,236,629,425,469.73/1,686,819.05
  6. Step 6: Final answer
    x = 733,113.27

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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.