Home / 1,278,977.61-1,764,993.33-706,016.42

Finding the Fourth Proportional to 1,278,977.61, 1,764,993.33 and 706,016.42

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Solution

The fourth proportional to 1,278,977.61, 1,764,993.33 and 706,016.42 is: 974,304.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,977.61 : 1,764,993.33 = 706,016.42 : x
  2. Step 2: Convert to fraction form
    1,278,977.61/1,764,993.33 = 706,016.42/x
  3. Step 3: Cross multiply
    1,278,977.61x = 1,764,993.33 × 706,016.42
  4. Step 4: Simplify right side
    1,278,977.61x = 1,246,114,272,170.48
  5. Step 5: Solve for x
    x = 1,246,114,272,170.48/1,278,977.61
  6. Step 6: Final answer
    x = 974,304.99

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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.