Home / 1,263,768.38-1,895,652.57-422,320.13

Finding the Fourth Proportional to 1,263,768.38, 1,895,652.57 and 422,320.13

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Solution

The fourth proportional to 1,263,768.38, 1,895,652.57 and 422,320.13 is: 633,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,768.38 : 1,895,652.57 = 422,320.13 : x
  2. Step 2: Convert to fraction form
    1,263,768.38/1,895,652.57 = 422,320.13/x
  3. Step 3: Cross multiply
    1,263,768.38x = 1,895,652.57 × 422,320.13
  4. Step 4: Simplify right side
    1,263,768.38x = 800,572,228,207.37
  5. Step 5: Solve for x
    x = 800,572,228,207.37/1,263,768.38
  6. Step 6: Final answer
    x = 633,480.19

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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.