Home / 1,226,636.97-1,692,721.33-682,758.77

Finding the Fourth Proportional to 1,226,636.97, 1,692,721.33 and 682,758.77

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Solution

The fourth proportional to 1,226,636.97, 1,692,721.33 and 682,758.77 is: 942,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,636.97 : 1,692,721.33 = 682,758.77 : x
  2. Step 2: Convert to fraction form
    1,226,636.97/1,692,721.33 = 682,758.77/x
  3. Step 3: Cross multiply
    1,226,636.97x = 1,692,721.33 × 682,758.77
  4. Step 4: Simplify right side
    1,226,636.97x = 1,155,720,335,454.97
  5. Step 5: Solve for x
    x = 1,155,720,335,454.97/1,226,636.97
  6. Step 6: Final answer
    x = 942,186.13

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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.