Home / 1,489,788.72-2,234,694.42-424,829.88

Finding the Fourth Proportional to 1,489,788.72, 2,234,694.42 and 424,829.88

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Solution

The fourth proportional to 1,489,788.72, 2,234,694.42 and 424,829.88 is: 637,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,788.72 : 2,234,694.42 = 424,829.88 : x
  2. Step 2: Convert to fraction form
    1,489,788.72/2,234,694.42 = 424,829.88/x
  3. Step 3: Cross multiply
    1,489,788.72x = 2,234,694.42 × 424,829.88
  4. Step 4: Simplify right side
    1,489,788.72x = 949,364,962,285.27
  5. Step 5: Solve for x
    x = 949,364,962,285.27/1,489,788.72
  6. Step 6: Final answer
    x = 637,248.05

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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.