Home / 1,341,760.91-2,012,840.36-443,297.57

Finding the Fourth Proportional to 1,341,760.91, 2,012,840.36 and 443,297.57

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Solution

The fourth proportional to 1,341,760.91, 2,012,840.36 and 443,297.57 is: 665,012.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,760.91 : 2,012,840.36 = 443,297.57 : x
  2. Step 2: Convert to fraction form
    1,341,760.91/2,012,840.36 = 443,297.57/x
  3. Step 3: Cross multiply
    1,341,760.91x = 2,012,840.36 × 443,297.57
  4. Step 4: Simplify right side
    1,341,760.91x = 892,287,238,169.44
  5. Step 5: Solve for x
    x = 892,287,238,169.44/1,341,760.91
  6. Step 6: Final answer
    x = 665,012.10

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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.