Home / 1,380,556.80-2,070,142.25-804,366.59

Finding the Fourth Proportional to 1,380,556.80, 2,070,142.25 and 804,366.59

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Solution

The fourth proportional to 1,380,556.80, 2,070,142.25 and 804,366.59 is: 1,206,146.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,556.80 : 2,070,142.25 = 804,366.59 : x
  2. Step 2: Convert to fraction form
    1,380,556.80/2,070,142.25 = 804,366.59/x
  3. Step 3: Cross multiply
    1,380,556.80x = 2,070,142.25 × 804,366.59
  4. Step 4: Simplify right side
    1,380,556.80x = 1,665,153,262,447.43
  5. Step 5: Solve for x
    x = 1,665,153,262,447.43/1,380,556.80
  6. Step 6: Final answer
    x = 1,206,146.15

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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.