Home / 1,685,125.20-2,527,610.04-422,924.88

Finding the Fourth Proportional to 1,685,125.20, 2,527,610.04 and 422,924.88

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Solution

The fourth proportional to 1,685,125.20, 2,527,610.04 and 422,924.88 is: 634,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,125.20 : 2,527,610.04 = 422,924.88 : x
  2. Step 2: Convert to fraction form
    1,685,125.20/2,527,610.04 = 422,924.88/x
  3. Step 3: Cross multiply
    1,685,125.20x = 2,527,610.04 × 422,924.88
  4. Step 4: Simplify right side
    1,685,125.20x = 1,068,989,172,853.80
  5. Step 5: Solve for x
    x = 1,068,989,172,853.80/1,685,125.20
  6. Step 6: Final answer
    x = 634,367.80

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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.