Home / 1,484,845.22-2,049,087.71-805,781.72

Finding the Fourth Proportional to 1,484,845.22, 2,049,087.71 and 805,781.72

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Solution

The fourth proportional to 1,484,845.22, 2,049,087.71 and 805,781.72 is: 1,111,979.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,845.22 : 2,049,087.71 = 805,781.72 : x
  2. Step 2: Convert to fraction form
    1,484,845.22/2,049,087.71 = 805,781.72/x
  3. Step 3: Cross multiply
    1,484,845.22x = 2,049,087.71 × 805,781.72
  4. Step 4: Simplify right side
    1,484,845.22x = 1,651,117,409,149.22
  5. Step 5: Solve for x
    x = 1,651,117,409,149.22/1,484,845.22
  6. Step 6: Final answer
    x = 1,111,979.48

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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.