Home / 1,099,149.20-1,648,958.92-340,974.24

Finding the Fourth Proportional to 1,099,149.20, 1,648,958.92 and 340,974.24

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Solution

The fourth proportional to 1,099,149.20, 1,648,958.92 and 340,974.24 is: 511,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,149.20 : 1,648,958.92 = 340,974.24 : x
  2. Step 2: Convert to fraction form
    1,099,149.20/1,648,958.92 = 340,974.24/x
  3. Step 3: Cross multiply
    1,099,149.20x = 1,648,958.92 × 340,974.24
  4. Step 4: Simplify right side
    1,099,149.20x = 562,252,514,538.22
  5. Step 5: Solve for x
    x = 562,252,514,538.22/1,099,149.20
  6. Step 6: Final answer
    x = 511,534.30

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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.