Home / 1,269,845.42-1,752,408.06-696,938.90

Finding the Fourth Proportional to 1,269,845.42, 1,752,408.06 and 696,938.90

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Solution

The fourth proportional to 1,269,845.42, 1,752,408.06 and 696,938.90 is: 961,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,845.42 : 1,752,408.06 = 696,938.90 : x
  2. Step 2: Convert to fraction form
    1,269,845.42/1,752,408.06 = 696,938.90/x
  3. Step 3: Cross multiply
    1,269,845.42x = 1,752,408.06 × 696,938.90
  4. Step 4: Simplify right side
    1,269,845.42x = 1,221,321,350,068.55
  5. Step 5: Solve for x
    x = 1,221,321,350,068.55/1,269,845.42
  6. Step 6: Final answer
    x = 961,787.42

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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.