Home / 1,263,777.47-1,895,666.21-422,329.22

Finding the Fourth Proportional to 1,263,777.47, 1,895,666.21 and 422,329.22

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Solution

The fourth proportional to 1,263,777.47, 1,895,666.21 and 422,329.22 is: 633,493.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,777.47 : 1,895,666.21 = 422,329.22 : x
  2. Step 2: Convert to fraction form
    1,263,777.47/1,895,666.21 = 422,329.22/x
  3. Step 3: Cross multiply
    1,263,777.47x = 1,895,666.21 × 422,329.22
  4. Step 4: Simplify right side
    1,263,777.47x = 800,595,228,952.16
  5. Step 5: Solve for x
    x = 800,595,228,952.16/1,263,777.47
  6. Step 6: Final answer
    x = 633,493.83

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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.