Home / 1,211,753.88-1,672,212.87-660,468.96

Finding the Fourth Proportional to 1,211,753.88, 1,672,212.87 and 660,468.96

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Solution

The fourth proportional to 1,211,753.88, 1,672,212.87 and 660,468.96 is: 911,443.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,753.88 : 1,672,212.87 = 660,468.96 : x
  2. Step 2: Convert to fraction form
    1,211,753.88/1,672,212.87 = 660,468.96/x
  3. Step 3: Cross multiply
    1,211,753.88x = 1,672,212.87 × 660,468.96
  4. Step 4: Simplify right side
    1,211,753.88x = 1,104,444,695,147.52
  5. Step 5: Solve for x
    x = 1,104,444,695,147.52/1,211,753.88
  6. Step 6: Final answer
    x = 911,443.09

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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.