Home / 1,131,842.33-1,561,150.95-768,635.09

Finding the Fourth Proportional to 1,131,842.33, 1,561,150.95 and 768,635.09

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Solution

The fourth proportional to 1,131,842.33, 1,561,150.95 and 768,635.09 is: 1,060,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,842.33 : 1,561,150.95 = 768,635.09 : x
  2. Step 2: Convert to fraction form
    1,131,842.33/1,561,150.95 = 768,635.09/x
  3. Step 3: Cross multiply
    1,131,842.33x = 1,561,150.95 × 768,635.09
  4. Step 4: Simplify right side
    1,131,842.33x = 1,199,955,393,151.08
  5. Step 5: Solve for x
    x = 1,199,955,393,151.08/1,131,842.33
  6. Step 6: Final answer
    x = 1,060,178.94

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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.