Home / 1,289,359.52-1,933,789.14-1,225,348.76

Finding the Fourth Proportional to 1,289,359.52, 1,933,789.14 and 1,225,348.76

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Solution

The fourth proportional to 1,289,359.52, 1,933,789.14 and 1,225,348.76 is: 1,837,785.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,359.52 : 1,933,789.14 = 1,225,348.76 : x
  2. Step 2: Convert to fraction form
    1,289,359.52/1,933,789.14 = 1,225,348.76/x
  3. Step 3: Cross multiply
    1,289,359.52x = 1,933,789.14 × 1,225,348.76
  4. Step 4: Simplify right side
    1,289,359.52x = 2,369,566,129,634.94
  5. Step 5: Solve for x
    x = 2,369,566,129,634.94/1,289,359.52
  6. Step 6: Final answer
    x = 1,837,785.42

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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.