Home / 1,259,772.45-1,738,485.92-715,909.29

Finding the Fourth Proportional to 1,259,772.45, 1,738,485.92 and 715,909.29

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Solution

The fourth proportional to 1,259,772.45, 1,738,485.92 and 715,909.29 is: 987,954.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,772.45 : 1,738,485.92 = 715,909.29 : x
  2. Step 2: Convert to fraction form
    1,259,772.45/1,738,485.92 = 715,909.29/x
  3. Step 3: Cross multiply
    1,259,772.45x = 1,738,485.92 × 715,909.29
  4. Step 4: Simplify right side
    1,259,772.45x = 1,244,598,220,662.20
  5. Step 5: Solve for x
    x = 1,244,598,220,662.20/1,259,772.45
  6. Step 6: Final answer
    x = 987,954.79

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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.