Home / 1,278,975.61-1,764,990.57-706,014.42

Finding the Fourth Proportional to 1,278,975.61, 1,764,990.57 and 706,014.42

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Solution

The fourth proportional to 1,278,975.61, 1,764,990.57 and 706,014.42 is: 974,302.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,975.61 : 1,764,990.57 = 706,014.42 : x
  2. Step 2: Convert to fraction form
    1,278,975.61/1,764,990.57 = 706,014.42/x
  3. Step 3: Cross multiply
    1,278,975.61x = 1,764,990.57 × 706,014.42
  4. Step 4: Simplify right side
    1,278,975.61x = 1,246,108,793,584.02
  5. Step 5: Solve for x
    x = 1,246,108,793,584.02/1,278,975.61
  6. Step 6: Final answer
    x = 974,302.23

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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.