Home / 1,216,408.75-1,678,610.66-672,567.46

Finding the Fourth Proportional to 1,216,408.75, 1,678,610.66 and 672,567.46

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Solution

The fourth proportional to 1,216,408.75, 1,678,610.66 and 672,567.46 is: 928,124.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,408.75 : 1,678,610.66 = 672,567.46 : x
  2. Step 2: Convert to fraction form
    1,216,408.75/1,678,610.66 = 672,567.46/x
  3. Step 3: Cross multiply
    1,216,408.75x = 1,678,610.66 × 672,567.46
  4. Step 4: Simplify right side
    1,216,408.75x = 1,128,978,900,365.76
  5. Step 5: Solve for x
    x = 1,128,978,900,365.76/1,216,408.75
  6. Step 6: Final answer
    x = 928,124.61

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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.