Home / 1,262,542.95-1,742,309.26-689,584.48

Finding the Fourth Proportional to 1,262,542.95, 1,742,309.26 and 689,584.48

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Solution

The fourth proportional to 1,262,542.95, 1,742,309.26 and 689,584.48 is: 951,626.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,542.95 : 1,742,309.26 = 689,584.48 : x
  2. Step 2: Convert to fraction form
    1,262,542.95/1,742,309.26 = 689,584.48/x
  3. Step 3: Cross multiply
    1,262,542.95x = 1,742,309.26 × 689,584.48
  4. Step 4: Simplify right side
    1,262,542.95x = 1,201,469,418,976.55
  5. Step 5: Solve for x
    x = 1,201,469,418,976.55/1,262,542.95
  6. Step 6: Final answer
    x = 951,626.57

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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.