Home / 1,395,421.80-2,093,715.90-449,082.60

Finding the Fourth Proportional to 1,395,421.80, 2,093,715.90 and 449,082.60

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Solution

The fourth proportional to 1,395,421.80, 2,093,715.90 and 449,082.60 is: 673,811.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,421.80 : 2,093,715.90 = 449,082.60 : x
  2. Step 2: Convert to fraction form
    1,395,421.80/2,093,715.90 = 449,082.60/x
  3. Step 3: Cross multiply
    1,395,421.80x = 2,093,715.90 × 449,082.60
  4. Step 4: Simplify right side
    1,395,421.80x = 940,251,380,033.34
  5. Step 5: Solve for x
    x = 940,251,380,033.34/1,395,421.80
  6. Step 6: Final answer
    x = 673,811.59

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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.