Home / 1,387,261.79-2,080,893.69-376,383.66

Finding the Fourth Proportional to 1,387,261.79, 2,080,893.69 and 376,383.66

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Solution

The fourth proportional to 1,387,261.79, 2,080,893.69 and 376,383.66 is: 564,575.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,261.79 : 2,080,893.69 = 376,383.66 : x
  2. Step 2: Convert to fraction form
    1,387,261.79/2,080,893.69 = 376,383.66/x
  3. Step 3: Cross multiply
    1,387,261.79x = 2,080,893.69 × 376,383.66
  4. Step 4: Simplify right side
    1,387,261.79x = 783,214,383,113.11
  5. Step 5: Solve for x
    x = 783,214,383,113.11/1,387,261.79
  6. Step 6: Final answer
    x = 564,575.76

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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.