Home / 1,344,469.80-2,016,315.90-491,442.60

Finding the Fourth Proportional to 1,344,469.80, 2,016,315.90 and 491,442.60

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Solution

The fourth proportional to 1,344,469.80, 2,016,315.90 and 491,442.60 is: 737,021.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,469.80 : 2,016,315.90 = 491,442.60 : x
  2. Step 2: Convert to fraction form
    1,344,469.80/2,016,315.90 = 491,442.60/x
  3. Step 3: Cross multiply
    1,344,469.80x = 2,016,315.90 × 491,442.60
  4. Step 4: Simplify right side
    1,344,469.80x = 990,903,528,317.34
  5. Step 5: Solve for x
    x = 990,903,528,317.34/1,344,469.80
  6. Step 6: Final answer
    x = 737,021.78

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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.