Home / 1,283,072.72-1,770,443.10-739,102.26

Finding the Fourth Proportional to 1,283,072.72, 1,770,443.10 and 739,102.26

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Solution

The fourth proportional to 1,283,072.72, 1,770,443.10 and 739,102.26 is: 1,019,847.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,072.72 : 1,770,443.10 = 739,102.26 : x
  2. Step 2: Convert to fraction form
    1,283,072.72/1,770,443.10 = 739,102.26/x
  3. Step 3: Cross multiply
    1,283,072.72x = 1,770,443.10 × 739,102.26
  4. Step 4: Simplify right side
    1,283,072.72x = 1,308,538,487,559.19
  5. Step 5: Solve for x
    x = 1,308,538,487,559.19/1,283,072.72
  6. Step 6: Final answer
    x = 1,019,847.49

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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.