Home / 1,012,393.35-1,518,617.36-443,481.75

Finding the Fourth Proportional to 1,012,393.35, 1,518,617.36 and 443,481.75

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Solution

The fourth proportional to 1,012,393.35, 1,518,617.36 and 443,481.75 is: 665,234.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,393.35 : 1,518,617.36 = 443,481.75 : x
  2. Step 2: Convert to fraction form
    1,012,393.35/1,518,617.36 = 443,481.75/x
  3. Step 3: Cross multiply
    1,012,393.35x = 1,518,617.36 × 443,481.75
  4. Step 4: Simplify right side
    1,012,393.35x = 673,479,085,501.88
  5. Step 5: Solve for x
    x = 673,479,085,501.88/1,012,393.35
  6. Step 6: Final answer
    x = 665,234.60

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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.