Home / 1,126,015.44-1,553,651.64-666,900.96

Finding the Fourth Proportional to 1,126,015.44, 1,553,651.64 and 666,900.96

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Solution

The fourth proportional to 1,126,015.44, 1,553,651.64 and 666,900.96 is: 920,175.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,015.44 : 1,553,651.64 = 666,900.96 : x
  2. Step 2: Convert to fraction form
    1,126,015.44/1,553,651.64 = 666,900.96/x
  3. Step 3: Cross multiply
    1,126,015.44x = 1,553,651.64 × 666,900.96
  4. Step 4: Simplify right side
    1,126,015.44x = 1,036,131,770,221.57
  5. Step 5: Solve for x
    x = 1,036,131,770,221.57/1,126,015.44
  6. Step 6: Final answer
    x = 920,175.46

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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.