Home / 1,359,414.21-2,039,121.21-647,283.27

Finding the Fourth Proportional to 1,359,414.21, 2,039,121.21 and 647,283.27

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Solution

The fourth proportional to 1,359,414.21, 2,039,121.21 and 647,283.27 is: 970,924.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,414.21 : 2,039,121.21 = 647,283.27 : x
  2. Step 2: Convert to fraction form
    1,359,414.21/2,039,121.21 = 647,283.27/x
  3. Step 3: Cross multiply
    1,359,414.21x = 2,039,121.21 × 647,283.27
  4. Step 4: Simplify right side
    1,359,414.21x = 1,319,889,044,735.16
  5. Step 5: Solve for x
    x = 1,319,889,044,735.16/1,359,414.21
  6. Step 6: Final answer
    x = 970,924.86

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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.