Home / 1,269,004.50-1,900,968.84-763,286.22

Finding the Fourth Proportional to 1,269,004.50, 1,900,968.84 and 763,286.22

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Solution

The fourth proportional to 1,269,004.50, 1,900,968.84 and 763,286.22 is: 1,143,402.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,004.50 : 1,900,968.84 = 763,286.22 : x
  2. Step 2: Convert to fraction form
    1,269,004.50/1,900,968.84 = 763,286.22/x
  3. Step 3: Cross multiply
    1,269,004.50x = 1,900,968.84 × 763,286.22
  4. Step 4: Simplify right side
    1,269,004.50x = 1,450,983,320,221.38
  5. Step 5: Solve for x
    x = 1,450,983,320,221.38/1,269,004.50
  6. Step 6: Final answer
    x = 1,143,402.82

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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.