Home / 1,338,680.32-1,847,375.04-802,136.32

Finding the Fourth Proportional to 1,338,680.32, 1,847,375.04 and 802,136.32

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Solution

The fourth proportional to 1,338,680.32, 1,847,375.04 and 802,136.32 is: 1,106,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,680.32 : 1,847,375.04 = 802,136.32 : x
  2. Step 2: Convert to fraction form
    1,338,680.32/1,847,375.04 = 802,136.32/x
  3. Step 3: Cross multiply
    1,338,680.32x = 1,847,375.04 × 802,136.32
  4. Step 4: Simplify right side
    1,338,680.32x = 1,481,846,616,245.45
  5. Step 5: Solve for x
    x = 1,481,846,616,245.45/1,338,680.32
  6. Step 6: Final answer
    x = 1,106,945.84

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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.