Home / 1,511,220.20-2,265,778.14-669,315.56

Finding the Fourth Proportional to 1,511,220.20, 2,265,778.14 and 669,315.56

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Solution

The fourth proportional to 1,511,220.20, 2,265,778.14 and 669,315.56 is: 1,003,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,220.20 : 2,265,778.14 = 669,315.56 : x
  2. Step 2: Convert to fraction form
    1,511,220.20/2,265,778.14 = 669,315.56/x
  3. Step 3: Cross multiply
    1,511,220.20x = 2,265,778.14 × 669,315.56
  4. Step 4: Simplify right side
    1,511,220.20x = 1,516,520,564,609.86
  5. Step 5: Solve for x
    x = 1,516,520,564,609.86/1,511,220.20
  6. Step 6: Final answer
    x = 1,003,507.34

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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.