Home / 1,361,098.80-2,039,315.40-887,540.40

Finding the Fourth Proportional to 1,361,098.80, 2,039,315.40 and 887,540.40

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Solution

The fourth proportional to 1,361,098.80, 2,039,315.40 and 887,540.40 is: 1,329,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,098.80 : 2,039,315.40 = 887,540.40 : x
  2. Step 2: Convert to fraction form
    1,361,098.80/2,039,315.40 = 887,540.40/x
  3. Step 3: Cross multiply
    1,361,098.80x = 2,039,315.40 × 887,540.40
  4. Step 4: Simplify right side
    1,361,098.80x = 1,809,974,805,842.16
  5. Step 5: Solve for x
    x = 1,809,974,805,842.16/1,361,098.80
  6. Step 6: Final answer
    x = 1,329,789.44

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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.