Home / 1,269,538.98-1,751,963.81-725,686.55

Finding the Fourth Proportional to 1,269,538.98, 1,751,963.81 and 725,686.55

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Solution

The fourth proportional to 1,269,538.98, 1,751,963.81 and 725,686.55 is: 1,001,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,538.98 : 1,751,963.81 = 725,686.55 : x
  2. Step 2: Convert to fraction form
    1,269,538.98/1,751,963.81 = 725,686.55/x
  3. Step 3: Cross multiply
    1,269,538.98x = 1,751,963.81 × 725,686.55
  4. Step 4: Simplify right side
    1,269,538.98x = 1,271,376,560,615.50
  5. Step 5: Solve for x
    x = 1,271,376,560,615.50/1,269,538.98
  6. Step 6: Final answer
    x = 1,001,447.44

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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.