Home / 1,212,834.78-1,673,682.67-668,958.89

Finding the Fourth Proportional to 1,212,834.78, 1,673,682.67 and 668,958.89

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Solution

The fourth proportional to 1,212,834.78, 1,673,682.67 and 668,958.89 is: 923,147.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,834.78 : 1,673,682.67 = 668,958.89 : x
  2. Step 2: Convert to fraction form
    1,212,834.78/1,673,682.67 = 668,958.89/x
  3. Step 3: Cross multiply
    1,212,834.78x = 1,673,682.67 × 668,958.89
  4. Step 4: Simplify right side
    1,212,834.78x = 1,119,624,903,647.25
  5. Step 5: Solve for x
    x = 1,119,624,903,647.25/1,212,834.78
  6. Step 6: Final answer
    x = 923,147.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.