Home / 1,151,890.12-1,589,924.54-668,610.96

Finding the Fourth Proportional to 1,151,890.12, 1,589,924.54 and 668,610.96

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Solution

The fourth proportional to 1,151,890.12, 1,589,924.54 and 668,610.96 is: 922,866.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,890.12 : 1,589,924.54 = 668,610.96 : x
  2. Step 2: Convert to fraction form
    1,151,890.12/1,589,924.54 = 668,610.96/x
  3. Step 3: Cross multiply
    1,151,890.12x = 1,589,924.54 × 668,610.96
  4. Step 4: Simplify right side
    1,151,890.12x = 1,063,040,973,016.96
  5. Step 5: Solve for x
    x = 1,063,040,973,016.96/1,151,890.12
  6. Step 6: Final answer
    x = 922,866.65

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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.