Home / 1,395,419.80-2,093,712.90-449,080.60

Finding the Fourth Proportional to 1,395,419.80, 2,093,712.90 and 449,080.60

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Solution

The fourth proportional to 1,395,419.80, 2,093,712.90 and 449,080.60 is: 673,808.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,419.80 : 2,093,712.90 = 449,080.60 : x
  2. Step 2: Convert to fraction form
    1,395,419.80/2,093,712.90 = 449,080.60/x
  3. Step 3: Cross multiply
    1,395,419.80x = 2,093,712.90 × 449,080.60
  4. Step 4: Simplify right side
    1,395,419.80x = 940,245,845,359.74
  5. Step 5: Solve for x
    x = 940,245,845,359.74/1,395,419.80
  6. Step 6: Final answer
    x = 673,808.59

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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.