Home / 1,269,756.81-1,752,314.94-696,817.49

Finding the Fourth Proportional to 1,269,756.81, 1,752,314.94 and 696,817.49

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Solution

The fourth proportional to 1,269,756.81, 1,752,314.94 and 696,817.49 is: 961,635.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,756.81 : 1,752,314.94 = 696,817.49 : x
  2. Step 2: Convert to fraction form
    1,269,756.81/1,752,314.94 = 696,817.49/x
  3. Step 3: Cross multiply
    1,269,756.81x = 1,752,314.94 × 696,817.49
  4. Step 4: Simplify right side
    1,269,756.81x = 1,221,043,689,418.73
  5. Step 5: Solve for x
    x = 1,221,043,689,418.73/1,269,756.81
  6. Step 6: Final answer
    x = 961,635.87

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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.