Home / 1,263,778.10-1,895,667.14-422,329.84

Finding the Fourth Proportional to 1,263,778.10, 1,895,667.14 and 422,329.84

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Solution

The fourth proportional to 1,263,778.10, 1,895,667.14 and 422,329.84 is: 633,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,778.10 : 1,895,667.14 = 422,329.84 : x
  2. Step 2: Convert to fraction form
    1,263,778.10/1,895,667.14 = 422,329.84/x
  3. Step 3: Cross multiply
    1,263,778.10x = 1,895,667.14 × 422,329.84
  4. Step 4: Simplify right side
    1,263,778.10x = 800,596,799,929.46
  5. Step 5: Solve for x
    x = 800,596,799,929.46/1,263,778.10
  6. Step 6: Final answer
    x = 633,494.76

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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.