Home / 1,269,759.56-1,752,318.75-696,820.25

Finding the Fourth Proportional to 1,269,759.56, 1,752,318.75 and 696,820.25

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Solution

The fourth proportional to 1,269,759.56, 1,752,318.75 and 696,820.25 is: 961,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,759.56 : 1,752,318.75 = 696,820.25 : x
  2. Step 2: Convert to fraction form
    1,269,759.56/1,752,318.75 = 696,820.25/x
  3. Step 3: Cross multiply
    1,269,759.56x = 1,752,318.75 × 696,820.25
  4. Step 4: Simplify right side
    1,269,759.56x = 1,221,051,189,454.69
  5. Step 5: Solve for x
    x = 1,221,051,189,454.69/1,269,759.56
  6. Step 6: Final answer
    x = 961,639.69

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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.