Home / 1,137,902.20-1,706,853.30-1,085,414.20

Finding the Fourth Proportional to 1,137,902.20, 1,706,853.30 and 1,085,414.20

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Solution

The fourth proportional to 1,137,902.20, 1,706,853.30 and 1,085,414.20 is: 1,628,121.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,902.20 : 1,706,853.30 = 1,085,414.20 : x
  2. Step 2: Convert to fraction form
    1,137,902.20/1,706,853.30 = 1,085,414.20/x
  3. Step 3: Cross multiply
    1,137,902.20x = 1,706,853.30 × 1,085,414.20
  4. Step 4: Simplify right side
    1,137,902.20x = 1,852,642,809,136.86
  5. Step 5: Solve for x
    x = 1,852,642,809,136.86/1,137,902.20
  6. Step 6: Final answer
    x = 1,628,121.30

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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.