Home / 1,208,142.43-1,667,076.08-749,089.54

Finding the Fourth Proportional to 1,208,142.43, 1,667,076.08 and 749,089.54

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Solution

The fourth proportional to 1,208,142.43, 1,667,076.08 and 749,089.54 is: 1,033,644.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,142.43 : 1,667,076.08 = 749,089.54 : x
  2. Step 2: Convert to fraction form
    1,208,142.43/1,667,076.08 = 749,089.54/x
  3. Step 3: Cross multiply
    1,208,142.43x = 1,667,076.08 × 749,089.54
  4. Step 4: Simplify right side
    1,208,142.43x = 1,248,789,253,912.20
  5. Step 5: Solve for x
    x = 1,248,789,253,912.20/1,208,142.43
  6. Step 6: Final answer
    x = 1,033,644.07

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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.