Home / 1,398,067.70-2,097,080.13-629,022.21

Finding the Fourth Proportional to 1,398,067.70, 2,097,080.13 and 629,022.21

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Solution

The fourth proportional to 1,398,067.70, 2,097,080.13 and 629,022.21 is: 943,523.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,067.70 : 2,097,080.13 = 629,022.21 : x
  2. Step 2: Convert to fraction form
    1,398,067.70/2,097,080.13 = 629,022.21/x
  3. Step 3: Cross multiply
    1,398,067.70x = 2,097,080.13 × 629,022.21
  4. Step 4: Simplify right side
    1,398,067.70x = 1,319,109,964,289.18
  5. Step 5: Solve for x
    x = 1,319,109,964,289.18/1,398,067.70
  6. Step 6: Final answer
    x = 943,523.67

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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.