Home / 1,126,958.96-1,692,544.44-992,071.28

Finding the Fourth Proportional to 1,126,958.96, 1,692,544.44 and 992,071.28

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Solution

The fourth proportional to 1,126,958.96, 1,692,544.44 and 992,071.28 is: 1,489,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,958.96 : 1,692,544.44 = 992,071.28 : x
  2. Step 2: Convert to fraction form
    1,126,958.96/1,692,544.44 = 992,071.28/x
  3. Step 3: Cross multiply
    1,126,958.96x = 1,692,544.44 × 992,071.28
  4. Step 4: Simplify right side
    1,126,958.96x = 1,679,124,729,047.68
  5. Step 5: Solve for x
    x = 1,679,124,729,047.68/1,126,958.96
  6. Step 6: Final answer
    x = 1,489,960.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.