Home / 1,169,078.27-1,612,869.03-678,964.41

Finding the Fourth Proportional to 1,169,078.27, 1,612,869.03 and 678,964.41

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Solution

The fourth proportional to 1,169,078.27, 1,612,869.03 and 678,964.41 is: 936,704.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,078.27 : 1,612,869.03 = 678,964.41 : x
  2. Step 2: Convert to fraction form
    1,169,078.27/1,612,869.03 = 678,964.41/x
  3. Step 3: Cross multiply
    1,169,078.27x = 1,612,869.03 × 678,964.41
  4. Step 4: Simplify right side
    1,169,078.27x = 1,095,080,669,361.22
  5. Step 5: Solve for x
    x = 1,095,080,669,361.22/1,169,078.27
  6. Step 6: Final answer
    x = 936,704.33

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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.