Home / 1,263,776.97-1,895,665.46-422,328.72

Finding the Fourth Proportional to 1,263,776.97, 1,895,665.46 and 422,328.72

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Solution

The fourth proportional to 1,263,776.97, 1,895,665.46 and 422,328.72 is: 633,493.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,776.97 : 1,895,665.46 = 422,328.72 : x
  2. Step 2: Convert to fraction form
    1,263,776.97/1,895,665.46 = 422,328.72/x
  3. Step 3: Cross multiply
    1,263,776.97x = 1,895,665.46 × 422,328.72
  4. Step 4: Simplify right side
    1,263,776.97x = 800,593,967,270.01
  5. Step 5: Solve for x
    x = 800,593,967,270.01/1,263,776.97
  6. Step 6: Final answer
    x = 633,493.08

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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.