Home / 1,269,761.81-1,752,321.84-696,822.49

Finding the Fourth Proportional to 1,269,761.81, 1,752,321.84 and 696,822.49

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Solution

The fourth proportional to 1,269,761.81, 1,752,321.84 and 696,822.49 is: 961,642.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,761.81 : 1,752,321.84 = 696,822.49 : x
  2. Step 2: Convert to fraction form
    1,269,761.81/1,752,321.84 = 696,822.49/x
  3. Step 3: Cross multiply
    1,269,761.81x = 1,752,321.84 × 696,822.49
  4. Step 4: Simplify right side
    1,269,761.81x = 1,221,057,259,068.57
  5. Step 5: Solve for x
    x = 1,221,057,259,068.57/1,269,761.81
  6. Step 6: Final answer
    x = 961,642.77

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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.