Home / 1,311,298.76-1,809,112.26-794,679.97

Finding the Fourth Proportional to 1,311,298.76, 1,809,112.26 and 794,679.97

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Solution

The fourth proportional to 1,311,298.76, 1,809,112.26 and 794,679.97 is: 1,096,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,298.76 : 1,809,112.26 = 794,679.97 : x
  2. Step 2: Convert to fraction form
    1,311,298.76/1,809,112.26 = 794,679.97/x
  3. Step 3: Cross multiply
    1,311,298.76x = 1,809,112.26 × 794,679.97
  4. Step 4: Simplify right side
    1,311,298.76x = 1,437,665,276,503.43
  5. Step 5: Solve for x
    x = 1,437,665,276,503.43/1,311,298.76
  6. Step 6: Final answer
    x = 1,096,367.45

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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.