Home / 1,126,231.88-1,552,954.62-717,686.60

Finding the Fourth Proportional to 1,126,231.88, 1,552,954.62 and 717,686.60

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Solution

The fourth proportional to 1,126,231.88, 1,552,954.62 and 717,686.60 is: 989,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,231.88 : 1,552,954.62 = 717,686.60 : x
  2. Step 2: Convert to fraction form
    1,126,231.88/1,552,954.62 = 717,686.60/x
  3. Step 3: Cross multiply
    1,126,231.88x = 1,552,954.62 × 717,686.60
  4. Step 4: Simplify right side
    1,126,231.88x = 1,114,534,721,182.09
  5. Step 5: Solve for x
    x = 1,114,534,721,182.09/1,126,231.88
  6. Step 6: Final answer
    x = 989,613.90

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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.