Home / 1,394,631.66-2,091,944.06-787,144.58

Finding the Fourth Proportional to 1,394,631.66, 2,091,944.06 and 787,144.58

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Solution

The fourth proportional to 1,394,631.66, 2,091,944.06 and 787,144.58 is: 1,180,714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,631.66 : 2,091,944.06 = 787,144.58 : x
  2. Step 2: Convert to fraction form
    1,394,631.66/2,091,944.06 = 787,144.58/x
  3. Step 3: Cross multiply
    1,394,631.66x = 2,091,944.06 × 787,144.58
  4. Step 4: Simplify right side
    1,394,631.66x = 1,646,662,428,492.19
  5. Step 5: Solve for x
    x = 1,646,662,428,492.19/1,394,631.66
  6. Step 6: Final answer
    x = 1,180,714.93

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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.