Home / 1,382,168.49-1,907,547.62-770,377.11

Finding the Fourth Proportional to 1,382,168.49, 1,907,547.62 and 770,377.11

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Solution

The fourth proportional to 1,382,168.49, 1,907,547.62 and 770,377.11 is: 1,063,206.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,168.49 : 1,907,547.62 = 770,377.11 : x
  2. Step 2: Convert to fraction form
    1,382,168.49/1,907,547.62 = 770,377.11/x
  3. Step 3: Cross multiply
    1,382,168.49x = 1,907,547.62 × 770,377.11
  4. Step 4: Simplify right side
    1,382,168.49x = 1,469,531,022,682.98
  5. Step 5: Solve for x
    x = 1,469,531,022,682.98/1,382,168.49
  6. Step 6: Final answer
    x = 1,063,206.86

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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.