Home / 1,325,770.66-1,987,113.54-757,550.09

Finding the Fourth Proportional to 1,325,770.66, 1,987,113.54 and 757,550.09

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Solution

The fourth proportional to 1,325,770.66, 1,987,113.54 and 757,550.09 is: 1,135,443.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,770.66 : 1,987,113.54 = 757,550.09 : x
  2. Step 2: Convert to fraction form
    1,325,770.66/1,987,113.54 = 757,550.09/x
  3. Step 3: Cross multiply
    1,325,770.66x = 1,987,113.54 × 757,550.09
  4. Step 4: Simplify right side
    1,325,770.66x = 1,505,338,041,067.22
  5. Step 5: Solve for x
    x = 1,505,338,041,067.22/1,325,770.66
  6. Step 6: Final answer
    x = 1,135,443.77

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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.