Home / 1,202,739.65-1,659,799.54-658,839.53

Finding the Fourth Proportional to 1,202,739.65, 1,659,799.54 and 658,839.53

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Solution

The fourth proportional to 1,202,739.65, 1,659,799.54 and 658,839.53 is: 909,208.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,739.65 : 1,659,799.54 = 658,839.53 : x
  2. Step 2: Convert to fraction form
    1,202,739.65/1,659,799.54 = 658,839.53/x
  3. Step 3: Cross multiply
    1,202,739.65x = 1,659,799.54 × 658,839.53
  4. Step 4: Simplify right side
    1,202,739.65x = 1,093,541,548,827.82
  5. Step 5: Solve for x
    x = 1,093,541,548,827.82/1,202,739.65
  6. Step 6: Final answer
    x = 909,208.86

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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.