Home / 1,425,908.80-2,137,135.20-825,716.80

Finding the Fourth Proportional to 1,425,908.80, 2,137,135.20 and 825,716.80

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Solution

The fourth proportional to 1,425,908.80, 2,137,135.20 and 825,716.80 is: 1,237,574.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,908.80 : 2,137,135.20 = 825,716.80 : x
  2. Step 2: Convert to fraction form
    1,425,908.80/2,137,135.20 = 825,716.80/x
  3. Step 3: Cross multiply
    1,425,908.80x = 2,137,135.20 × 825,716.80
  4. Step 4: Simplify right side
    1,425,908.80x = 1,764,668,438,511.36
  5. Step 5: Solve for x
    x = 1,764,668,438,511.36/1,425,908.80
  6. Step 6: Final answer
    x = 1,237,574.55

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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.