Home / 1,512,914.76-2,269,379.43-447,976.98

Finding the Fourth Proportional to 1,512,914.76, 2,269,379.43 and 447,976.98

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Solution

The fourth proportional to 1,512,914.76, 2,269,379.43 and 447,976.98 is: 671,967.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,914.76 : 2,269,379.43 = 447,976.98 : x
  2. Step 2: Convert to fraction form
    1,512,914.76/2,269,379.43 = 447,976.98/x
  3. Step 3: Cross multiply
    1,512,914.76x = 2,269,379.43 × 447,976.98
  4. Step 4: Simplify right side
    1,512,914.76x = 1,016,629,743,525.52
  5. Step 5: Solve for x
    x = 1,016,629,743,525.52/1,512,914.76
  6. Step 6: Final answer
    x = 671,967.63

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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.