Home / 1,340,120.70-2,007,556.65-806,055.30

Finding the Fourth Proportional to 1,340,120.70, 2,007,556.65 and 806,055.30

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Solution

The fourth proportional to 1,340,120.70, 2,007,556.65 and 806,055.30 is: 1,207,504.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,120.70 : 2,007,556.65 = 806,055.30 : x
  2. Step 2: Convert to fraction form
    1,340,120.70/2,007,556.65 = 806,055.30/x
  3. Step 3: Cross multiply
    1,340,120.70x = 2,007,556.65 × 806,055.30
  4. Step 4: Simplify right side
    1,340,120.70x = 1,618,201,677,782.75
  5. Step 5: Solve for x
    x = 1,618,201,677,782.75/1,340,120.70
  6. Step 6: Final answer
    x = 1,207,504.43

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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.