Home / 1,242,908.33-1,715,449.31-777,977.94

Finding the Fourth Proportional to 1,242,908.33, 1,715,449.31 and 777,977.94

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Solution

The fourth proportional to 1,242,908.33, 1,715,449.31 and 777,977.94 is: 1,073,757.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,908.33 : 1,715,449.31 = 777,977.94 : x
  2. Step 2: Convert to fraction form
    1,242,908.33/1,715,449.31 = 777,977.94/x
  3. Step 3: Cross multiply
    1,242,908.33x = 1,715,449.31 × 777,977.94
  4. Step 4: Simplify right side
    1,242,908.33x = 1,334,581,722,313.17
  5. Step 5: Solve for x
    x = 1,334,581,722,313.17/1,242,908.33
  6. Step 6: Final answer
    x = 1,073,757.17

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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.