Home / 1,204,272.88-1,661,919.40-660,376.23

Finding the Fourth Proportional to 1,204,272.88, 1,661,919.40 and 660,376.23

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Solution

The fourth proportional to 1,204,272.88, 1,661,919.40 and 660,376.23 is: 911,331.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,272.88 : 1,661,919.40 = 660,376.23 : x
  2. Step 2: Convert to fraction form
    1,204,272.88/1,661,919.40 = 660,376.23/x
  3. Step 3: Cross multiply
    1,204,272.88x = 1,661,919.40 × 660,376.23
  4. Step 4: Simplify right side
    1,204,272.88x = 1,097,492,067,935.86
  5. Step 5: Solve for x
    x = 1,097,492,067,935.86/1,204,272.88
  6. Step 6: Final answer
    x = 911,331.71

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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.