Home / 1,074,126.88-1,611,190.20-511,455.52

Finding the Fourth Proportional to 1,074,126.88, 1,611,190.20 and 511,455.52

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Solution

The fourth proportional to 1,074,126.88, 1,611,190.20 and 511,455.52 is: 767,183.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,126.88 : 1,611,190.20 = 511,455.52 : x
  2. Step 2: Convert to fraction form
    1,074,126.88/1,611,190.20 = 511,455.52/x
  3. Step 3: Cross multiply
    1,074,126.88x = 1,611,190.20 × 511,455.52
  4. Step 4: Simplify right side
    1,074,126.88x = 824,052,121,559.90
  5. Step 5: Solve for x
    x = 824,052,121,559.90/1,074,126.88
  6. Step 6: Final answer
    x = 767,183.22

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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.