Home / 1,394,633.17-2,091,946.32-787,146.08

Finding the Fourth Proportional to 1,394,633.17, 2,091,946.32 and 787,146.08

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Solution

The fourth proportional to 1,394,633.17, 2,091,946.32 and 787,146.08 is: 1,180,717.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,633.17 : 2,091,946.32 = 787,146.08 : x
  2. Step 2: Convert to fraction form
    1,394,633.17/2,091,946.32 = 787,146.08/x
  3. Step 3: Cross multiply
    1,394,633.17x = 2,091,946.32 × 787,146.08
  4. Step 4: Simplify right side
    1,394,633.17x = 1,646,667,345,358.43
  5. Step 5: Solve for x
    x = 1,646,667,345,358.43/1,394,633.17
  6. Step 6: Final answer
    x = 1,180,717.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.