Home / 1,215,791.45-1,823,655.77-395,125.48

Finding the Fourth Proportional to 1,215,791.45, 1,823,655.77 and 395,125.48

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Solution

The fourth proportional to 1,215,791.45, 1,823,655.77 and 395,125.48 is: 592,678.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,791.45 : 1,823,655.77 = 395,125.48 : x
  2. Step 2: Convert to fraction form
    1,215,791.45/1,823,655.77 = 395,125.48/x
  3. Step 3: Cross multiply
    1,215,791.45x = 1,823,655.77 × 395,125.48
  4. Step 4: Simplify right side
    1,215,791.45x = 720,572,858,231.69
  5. Step 5: Solve for x
    x = 720,572,858,231.69/1,215,791.45
  6. Step 6: Final answer
    x = 592,678.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.