Home / 1,211,254.43-1,671,550.97-667,382.36

Finding the Fourth Proportional to 1,211,254.43, 1,671,550.97 and 667,382.36

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Solution

The fourth proportional to 1,211,254.43, 1,671,550.97 and 667,382.36 is: 920,998.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,254.43 : 1,671,550.97 = 667,382.36 : x
  2. Step 2: Convert to fraction form
    1,211,254.43/1,671,550.97 = 667,382.36/x
  3. Step 3: Cross multiply
    1,211,254.43x = 1,671,550.97 × 667,382.36
  4. Step 4: Simplify right side
    1,211,254.43x = 1,115,563,619,524.22
  5. Step 5: Solve for x
    x = 1,115,563,619,524.22/1,211,254.43
  6. Step 6: Final answer
    x = 920,998.59

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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.