Home / 1,139,278.43-1,709,758.73-540,241.61

Finding the Fourth Proportional to 1,139,278.43, 1,709,758.73 and 540,241.61

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Solution

The fourth proportional to 1,139,278.43, 1,709,758.73 and 540,241.61 is: 810,761.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,278.43 : 1,709,758.73 = 540,241.61 : x
  2. Step 2: Convert to fraction form
    1,139,278.43/1,709,758.73 = 540,241.61/x
  3. Step 3: Cross multiply
    1,139,278.43x = 1,709,758.73 × 540,241.61
  4. Step 4: Simplify right side
    1,139,278.43x = 923,682,801,808.57
  5. Step 5: Solve for x
    x = 923,682,801,808.57/1,139,278.43
  6. Step 6: Final answer
    x = 810,761.25

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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.