Home / 1,115,234.08-1,672,852.70-273,785.83

Finding the Fourth Proportional to 1,115,234.08, 1,672,852.70 and 273,785.83

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Solution

The fourth proportional to 1,115,234.08, 1,672,852.70 and 273,785.83 is: 410,679.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,234.08 : 1,672,852.70 = 273,785.83 : x
  2. Step 2: Convert to fraction form
    1,115,234.08/1,672,852.70 = 273,785.83/x
  3. Step 3: Cross multiply
    1,115,234.08x = 1,672,852.70 × 273,785.83
  4. Step 4: Simplify right side
    1,115,234.08x = 458,003,361,439.57
  5. Step 5: Solve for x
    x = 458,003,361,439.57/1,115,234.08
  6. Step 6: Final answer
    x = 410,679.13

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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.