Home / 1,262,101.44-1,741,690.88-689,141.12

Finding the Fourth Proportional to 1,262,101.44, 1,741,690.88 and 689,141.12

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Solution

The fourth proportional to 1,262,101.44, 1,741,690.88 and 689,141.12 is: 951,009.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,101.44 : 1,741,690.88 = 689,141.12 : x
  2. Step 2: Convert to fraction form
    1,262,101.44/1,741,690.88 = 689,141.12/x
  3. Step 3: Cross multiply
    1,262,101.44x = 1,741,690.88 × 689,141.12
  4. Step 4: Simplify right side
    1,262,101.44x = 1,200,270,803,736.99
  5. Step 5: Solve for x
    x = 1,200,270,803,736.99/1,262,101.44
  6. Step 6: Final answer
    x = 951,009.77

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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.