Home / 1,173,450.69-1,619,305.97-720,654.21

Finding the Fourth Proportional to 1,173,450.69, 1,619,305.97 and 720,654.21

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Solution

The fourth proportional to 1,173,450.69, 1,619,305.97 and 720,654.21 is: 994,468.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,450.69 : 1,619,305.97 = 720,654.21 : x
  2. Step 2: Convert to fraction form
    1,173,450.69/1,619,305.97 = 720,654.21/x
  3. Step 3: Cross multiply
    1,173,450.69x = 1,619,305.97 × 720,654.21
  4. Step 4: Simplify right side
    1,173,450.69x = 1,166,959,660,955.36
  5. Step 5: Solve for x
    x = 1,166,959,660,955.36/1,173,450.69
  6. Step 6: Final answer
    x = 994,468.43

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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.