Home / 1,278,842.49-1,764,676.80-705,845.52

Finding the Fourth Proportional to 1,278,842.49, 1,764,676.80 and 705,845.52

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Solution

The fourth proportional to 1,278,842.49, 1,764,676.80 and 705,845.52 is: 973,997.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,842.49 : 1,764,676.80 = 705,845.52 : x
  2. Step 2: Convert to fraction form
    1,278,842.49/1,764,676.80 = 705,845.52/x
  3. Step 3: Cross multiply
    1,278,842.49x = 1,764,676.80 × 705,845.52
  4. Step 4: Simplify right side
    1,278,842.49x = 1,245,589,213,527.94
  5. Step 5: Solve for x
    x = 1,245,589,213,527.94/1,278,842.49
  6. Step 6: Final answer
    x = 973,997.36

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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.