Home / 1,288,858.55-1,933,287.51-329,315.94

Finding the Fourth Proportional to 1,288,858.55, 1,933,287.51 and 329,315.94

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Solution

The fourth proportional to 1,288,858.55, 1,933,287.51 and 329,315.94 is: 493,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,858.55 : 1,933,287.51 = 329,315.94 : x
  2. Step 2: Convert to fraction form
    1,288,858.55/1,933,287.51 = 329,315.94/x
  3. Step 3: Cross multiply
    1,288,858.55x = 1,933,287.51 × 329,315.94
  4. Step 4: Simplify right side
    1,288,858.55x = 636,662,393,645.91
  5. Step 5: Solve for x
    x = 636,662,393,645.91/1,288,858.55
  6. Step 6: Final answer
    x = 493,973.83

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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.