Home / 1,126,353.57-1,689,514.93-273,431.76

Finding the Fourth Proportional to 1,126,353.57, 1,689,514.93 and 273,431.76

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Solution

The fourth proportional to 1,126,353.57, 1,689,514.93 and 273,431.76 is: 410,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,353.57 : 1,689,514.93 = 273,431.76 : x
  2. Step 2: Convert to fraction form
    1,126,353.57/1,689,514.93 = 273,431.76/x
  3. Step 3: Cross multiply
    1,126,353.57x = 1,689,514.93 × 273,431.76
  4. Step 4: Simplify right side
    1,126,353.57x = 461,967,040,856.18
  5. Step 5: Solve for x
    x = 461,967,040,856.18/1,126,353.57
  6. Step 6: Final answer
    x = 410,143.90

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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.