Home / 1,300,130.86-1,794,170.82-727,171.03

Finding the Fourth Proportional to 1,300,130.86, 1,794,170.82 and 727,171.03

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Solution

The fourth proportional to 1,300,130.86, 1,794,170.82 and 727,171.03 is: 1,003,490.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,130.86 : 1,794,170.82 = 727,171.03 : x
  2. Step 2: Convert to fraction form
    1,300,130.86/1,794,170.82 = 727,171.03/x
  3. Step 3: Cross multiply
    1,300,130.86x = 1,794,170.82 × 727,171.03
  4. Step 4: Simplify right side
    1,300,130.86x = 1,304,669,043,175.34
  5. Step 5: Solve for x
    x = 1,304,669,043,175.34/1,300,130.86
  6. Step 6: Final answer
    x = 1,003,490.56

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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.