Home / 1,320,650.30-1,819,232.79-1,126,425.26

Finding the Fourth Proportional to 1,320,650.30, 1,819,232.79 and 1,126,425.26

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Solution

The fourth proportional to 1,320,650.30, 1,819,232.79 and 1,126,425.26 is: 1,551,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,650.30 : 1,819,232.79 = 1,126,425.26 : x
  2. Step 2: Convert to fraction form
    1,320,650.30/1,819,232.79 = 1,126,425.26/x
  3. Step 3: Cross multiply
    1,320,650.30x = 1,819,232.79 × 1,126,425.26
  4. Step 4: Simplify right side
    1,320,650.30x = 2,049,229,768,476.28
  5. Step 5: Solve for x
    x = 2,049,229,768,476.28/1,320,650.30
  6. Step 6: Final answer
    x = 1,551,682.36

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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.