Home / 1,126,408.65-1,689,623.60-273,487.88

Finding the Fourth Proportional to 1,126,408.65, 1,689,623.60 and 273,487.88

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Solution

The fourth proportional to 1,126,408.65, 1,689,623.60 and 273,487.88 is: 410,234.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,408.65 : 1,689,623.60 = 273,487.88 : x
  2. Step 2: Convert to fraction form
    1,126,408.65/1,689,623.60 = 273,487.88/x
  3. Step 3: Cross multiply
    1,126,408.65x = 1,689,623.60 × 273,487.88
  4. Step 4: Simplify right side
    1,126,408.65x = 462,091,566,546.41
  5. Step 5: Solve for x
    x = 462,091,566,546.41/1,126,408.65
  6. Step 6: Final answer
    x = 410,234.39

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1.5x scale

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.