Home / 1,265,992.79-1,747,069.91-685,215.82

Finding the Fourth Proportional to 1,265,992.79, 1,747,069.91 and 685,215.82

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Solution

The fourth proportional to 1,265,992.79, 1,747,069.91 and 685,215.82 is: 945,597.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,992.79 : 1,747,069.91 = 685,215.82 : x
  2. Step 2: Convert to fraction form
    1,265,992.79/1,747,069.91 = 685,215.82/x
  3. Step 3: Cross multiply
    1,265,992.79x = 1,747,069.91 × 685,215.82
  4. Step 4: Simplify right side
    1,265,992.79x = 1,197,119,933,184.22
  5. Step 5: Solve for x
    x = 1,197,119,933,184.22/1,265,992.79
  6. Step 6: Final answer
    x = 945,597.75

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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.