Home / 1,215,849.58-1,677,936.14-699,682.15

Finding the Fourth Proportional to 1,215,849.58, 1,677,936.14 and 699,682.15

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Solution

The fourth proportional to 1,215,849.58, 1,677,936.14 and 699,682.15 is: 965,598.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,849.58 : 1,677,936.14 = 699,682.15 : x
  2. Step 2: Convert to fraction form
    1,215,849.58/1,677,936.14 = 699,682.15/x
  3. Step 3: Cross multiply
    1,215,849.58x = 1,677,936.14 × 699,682.15
  4. Step 4: Simplify right side
    1,215,849.58x = 1,174,021,965,997.90
  5. Step 5: Solve for x
    x = 1,174,021,965,997.90/1,215,849.58
  6. Step 6: Final answer
    x = 965,598.04

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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.