Home / 842,072.34-1,263,193.53-273,429.66

Finding the Fourth Proportional to 842,072.34, 1,263,193.53 and 273,429.66

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Solution

The fourth proportional to 842,072.34, 1,263,193.53 and 273,429.66 is: 410,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,072.34 : 1,263,193.53 = 273,429.66 : x
  2. Step 2: Convert to fraction form
    842,072.34/1,263,193.53 = 273,429.66/x
  3. Step 3: Cross multiply
    842,072.34x = 1,263,193.53 × 273,429.66
  4. Step 4: Simplify right side
    842,072.34x = 345,394,577,422.10
  5. Step 5: Solve for x
    x = 345,394,577,422.10/842,072.34
  6. Step 6: Final answer
    x = 410,172.10

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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.