Home / 1,208,219.16-1,667,402.29-749,481.54

Finding the Fourth Proportional to 1,208,219.16, 1,667,402.29 and 749,481.54

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Solution

The fourth proportional to 1,208,219.16, 1,667,402.29 and 749,481.54 is: 1,034,321.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,219.16 : 1,667,402.29 = 749,481.54 : x
  2. Step 2: Convert to fraction form
    1,208,219.16/1,667,402.29 = 749,481.54/x
  3. Step 3: Cross multiply
    1,208,219.16x = 1,667,402.29 × 749,481.54
  4. Step 4: Simplify right side
    1,208,219.16x = 1,249,687,227,771.72
  5. Step 5: Solve for x
    x = 1,249,687,227,771.72/1,208,219.16
  6. Step 6: Final answer
    x = 1,034,321.64

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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.