Home / 1,278,682.07-1,764,572.56-705,722.22

Finding the Fourth Proportional to 1,278,682.07, 1,764,572.56 and 705,722.22

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Solution

The fourth proportional to 1,278,682.07, 1,764,572.56 and 705,722.22 is: 973,891.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,682.07 : 1,764,572.56 = 705,722.22 : x
  2. Step 2: Convert to fraction form
    1,278,682.07/1,764,572.56 = 705,722.22/x
  3. Step 3: Cross multiply
    1,278,682.07x = 1,764,572.56 × 705,722.22
  4. Step 4: Simplify right side
    1,278,682.07x = 1,245,298,062,629.98
  5. Step 5: Solve for x
    x = 1,245,298,062,629.98/1,278,682.07
  6. Step 6: Final answer
    x = 973,891.87

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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.