Home / 1,380,674.88-2,070,049.44-611,754.38

Finding the Fourth Proportional to 1,380,674.88, 2,070,049.44 and 611,754.38

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Solution

The fourth proportional to 1,380,674.88, 2,070,049.44 and 611,754.38 is: 917,204.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,674.88 : 2,070,049.44 = 611,754.38 : x
  2. Step 2: Convert to fraction form
    1,380,674.88/2,070,049.44 = 611,754.38/x
  3. Step 3: Cross multiply
    1,380,674.88x = 2,070,049.44 × 611,754.38
  4. Step 4: Simplify right side
    1,380,674.88x = 1,266,361,811,736.55
  5. Step 5: Solve for x
    x = 1,266,361,811,736.55/1,380,674.88
  6. Step 6: Final answer
    x = 917,204.93

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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.