Home / 1,219,244.12-1,682,537.78-667,955.49

Finding the Fourth Proportional to 1,219,244.12, 1,682,537.78 and 667,955.49

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Solution

The fourth proportional to 1,219,244.12, 1,682,537.78 and 667,955.49 is: 921,768.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,244.12 : 1,682,537.78 = 667,955.49 : x
  2. Step 2: Convert to fraction form
    1,219,244.12/1,682,537.78 = 667,955.49/x
  3. Step 3: Cross multiply
    1,219,244.12x = 1,682,537.78 × 667,955.49
  4. Step 4: Simplify right side
    1,219,244.12x = 1,123,860,348,350.81
  5. Step 5: Solve for x
    x = 1,123,860,348,350.81/1,219,244.12
  6. Step 6: Final answer
    x = 921,768.11

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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.