Home / 1,488,633.39-2,232,682.31-394,425.59

Finding the Fourth Proportional to 1,488,633.39, 2,232,682.31 and 394,425.59

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Solution

The fourth proportional to 1,488,633.39, 2,232,682.31 and 394,425.59 is: 591,567.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,633.39 : 2,232,682.31 = 394,425.59 : x
  2. Step 2: Convert to fraction form
    1,488,633.39/2,232,682.31 = 394,425.59/x
  3. Step 3: Cross multiply
    1,488,633.39x = 2,232,682.31 × 394,425.59
  4. Step 4: Simplify right side
    1,488,633.39x = 880,627,027,226.97
  5. Step 5: Solve for x
    x = 880,627,027,226.97/1,488,633.39
  6. Step 6: Final answer
    x = 591,567.43

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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.