Home / 925,634.52-1,387,015.65-641,878.56

Finding the Fourth Proportional to 925,634.52, 1,387,015.65 and 641,878.56

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Solution

The fourth proportional to 925,634.52, 1,387,015.65 and 641,878.56 is: 961,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,634.52 : 1,387,015.65 = 641,878.56 : x
  2. Step 2: Convert to fraction form
    925,634.52/1,387,015.65 = 641,878.56/x
  3. Step 3: Cross multiply
    925,634.52x = 1,387,015.65 × 641,878.56
  4. Step 4: Simplify right side
    925,634.52x = 890,295,608,119.46
  5. Step 5: Solve for x
    x = 890,295,608,119.46/925,634.52
  6. Step 6: Final answer
    x = 961,821.96

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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.