Home / 1,110,550.64-1,665,121.26-942,128.96

Finding the Fourth Proportional to 1,110,550.64, 1,665,121.26 and 942,128.96

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Solution

The fourth proportional to 1,110,550.64, 1,665,121.26 and 942,128.96 is: 1,412,595.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,550.64 : 1,665,121.26 = 942,128.96 : x
  2. Step 2: Convert to fraction form
    1,110,550.64/1,665,121.26 = 942,128.96/x
  3. Step 3: Cross multiply
    1,110,550.64x = 1,665,121.26 × 942,128.96
  4. Step 4: Simplify right side
    1,110,550.64x = 1,568,758,960,957.69
  5. Step 5: Solve for x
    x = 1,568,758,960,957.69/1,110,550.64
  6. Step 6: Final answer
    x = 1,412,595.61

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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.