Home / 1,245,671.94-1,719,027.31-672,712.12

Finding the Fourth Proportional to 1,245,671.94, 1,719,027.31 and 672,712.12

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Solution

The fourth proportional to 1,245,671.94, 1,719,027.31 and 672,712.12 is: 928,342.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,671.94 : 1,719,027.31 = 672,712.12 : x
  2. Step 2: Convert to fraction form
    1,245,671.94/1,719,027.31 = 672,712.12/x
  3. Step 3: Cross multiply
    1,245,671.94x = 1,719,027.31 × 672,712.12
  4. Step 4: Simplify right side
    1,245,671.94x = 1,156,410,496,582.60
  5. Step 5: Solve for x
    x = 1,156,410,496,582.60/1,245,671.94
  6. Step 6: Final answer
    x = 928,342.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.