Home / 1,391,048.82-2,085,161.58-790,769.60

Finding the Fourth Proportional to 1,391,048.82, 2,085,161.58 and 790,769.60

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Solution

The fourth proportional to 1,391,048.82, 2,085,161.58 and 790,769.60 is: 1,185,351.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,048.82 : 2,085,161.58 = 790,769.60 : x
  2. Step 2: Convert to fraction form
    1,391,048.82/2,085,161.58 = 790,769.60/x
  3. Step 3: Cross multiply
    1,391,048.82x = 2,085,161.58 × 790,769.60
  4. Step 4: Simplify right side
    1,391,048.82x = 1,648,882,388,551.97
  5. Step 5: Solve for x
    x = 1,648,882,388,551.97/1,391,048.82
  6. Step 6: Final answer
    x = 1,185,351.92

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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.