Home / 1,167,982.11-1,611,703.31-709,347.69

Finding the Fourth Proportional to 1,167,982.11, 1,611,703.31 and 709,347.69

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Solution

The fourth proportional to 1,167,982.11, 1,611,703.31 and 709,347.69 is: 978,831.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,982.11 : 1,611,703.31 = 709,347.69 : x
  2. Step 2: Convert to fraction form
    1,167,982.11/1,611,703.31 = 709,347.69/x
  3. Step 3: Cross multiply
    1,167,982.11x = 1,611,703.31 × 709,347.69
  4. Step 4: Simplify right side
    1,167,982.11x = 1,143,258,016,367.12
  5. Step 5: Solve for x
    x = 1,143,258,016,367.12/1,167,982.11
  6. Step 6: Final answer
    x = 978,831.79

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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.