Home / 1,263,700-1,895,550.26-422,251.84

Finding the Fourth Proportional to 1,263,700, 1,895,550.26 and 422,251.84

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Solution

The fourth proportional to 1,263,700, 1,895,550.26 and 422,251.84 is: 633,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,700 : 1,895,550.26 = 422,251.84 : x
  2. Step 2: Convert to fraction form
    1,263,700/1,895,550.26 = 422,251.84/x
  3. Step 3: Cross multiply
    1,263,700x = 1,895,550.26 × 422,251.84
  4. Step 4: Simplify right side
    1,263,700x = 800,399,585,097.48
  5. Step 5: Solve for x
    x = 800,399,585,097.48/1,263,700
  6. Step 6: Final answer
    x = 633,377.85

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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.