Home / 1,278,653.67-1,764,551.25-697,871.52

Finding the Fourth Proportional to 1,278,653.67, 1,764,551.25 and 697,871.52

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Solution

The fourth proportional to 1,278,653.67, 1,764,551.25 and 697,871.52 is: 963,067.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,653.67 : 1,764,551.25 = 697,871.52 : x
  2. Step 2: Convert to fraction form
    1,278,653.67/1,764,551.25 = 697,871.52/x
  3. Step 3: Cross multiply
    1,278,653.67x = 1,764,551.25 × 697,871.52
  4. Step 4: Simplify right side
    1,278,653.67x = 1,231,430,062,955.40
  5. Step 5: Solve for x
    x = 1,231,430,062,955.40/1,278,653.67
  6. Step 6: Final answer
    x = 963,067.71

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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.