Home / 1,097,392.88-1,646,285.88-387,832.88

Finding the Fourth Proportional to 1,097,392.88, 1,646,285.88 and 387,832.88

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Solution

The fourth proportional to 1,097,392.88, 1,646,285.88 and 387,832.88 is: 581,818.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,392.88 : 1,646,285.88 = 387,832.88 : x
  2. Step 2: Convert to fraction form
    1,097,392.88/1,646,285.88 = 387,832.88/x
  3. Step 3: Cross multiply
    1,097,392.88x = 1,646,285.88 × 387,832.88
  4. Step 4: Simplify right side
    1,097,392.88x = 638,483,794,143.73
  5. Step 5: Solve for x
    x = 638,483,794,143.73/1,097,392.88
  6. Step 6: Final answer
    x = 581,818.79

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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.