Home / 1,285,788.50-1,928,723.63-476,375.61

Finding the Fourth Proportional to 1,285,788.50, 1,928,723.63 and 476,375.61

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Solution

The fourth proportional to 1,285,788.50, 1,928,723.63 and 476,375.61 is: 714,578.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,788.50 : 1,928,723.63 = 476,375.61 : x
  2. Step 2: Convert to fraction form
    1,285,788.50/1,928,723.63 = 476,375.61/x
  3. Step 3: Cross multiply
    1,285,788.50x = 1,928,723.63 × 476,375.61
  4. Step 4: Simplify right side
    1,285,788.50x = 918,796,893,380.79
  5. Step 5: Solve for x
    x = 918,796,893,380.79/1,285,788.50
  6. Step 6: Final answer
    x = 714,578.56

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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.