Home / 1,960,213.52-2,939,789.28-539,931.80

Finding the Fourth Proportional to 1,960,213.52, 2,939,789.28 and 539,931.80

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Solution

The fourth proportional to 1,960,213.52, 2,939,789.28 and 539,931.80 is: 809,751.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,213.52 : 2,939,789.28 = 539,931.80 : x
  2. Step 2: Convert to fraction form
    1,960,213.52/2,939,789.28 = 539,931.80/x
  3. Step 3: Cross multiply
    1,960,213.52x = 2,939,789.28 × 539,931.80
  4. Step 4: Simplify right side
    1,960,213.52x = 1,587,285,717,571.10
  5. Step 5: Solve for x
    x = 1,587,285,717,571.10/1,960,213.52
  6. Step 6: Final answer
    x = 809,751.44

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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.