Home / 1,379,481.34-2,069,309.48-432,889.42

Finding the Fourth Proportional to 1,379,481.34, 2,069,309.48 and 432,889.42

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Solution

The fourth proportional to 1,379,481.34, 2,069,309.48 and 432,889.42 is: 649,361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,481.34 : 2,069,309.48 = 432,889.42 : x
  2. Step 2: Convert to fraction form
    1,379,481.34/2,069,309.48 = 432,889.42/x
  3. Step 3: Cross multiply
    1,379,481.34x = 2,069,309.48 × 432,889.42
  4. Step 4: Simplify right side
    1,379,481.34x = 895,782,180,597.70
  5. Step 5: Solve for x
    x = 895,782,180,597.70/1,379,481.34
  6. Step 6: Final answer
    x = 649,361.58

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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.