Home / 1,226,643.03-1,692,729.69-682,764.85

Finding the Fourth Proportional to 1,226,643.03, 1,692,729.69 and 682,764.85

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Solution

The fourth proportional to 1,226,643.03, 1,692,729.69 and 682,764.85 is: 942,194.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,643.03 : 1,692,729.69 = 682,764.85 : x
  2. Step 2: Convert to fraction form
    1,226,643.03/1,692,729.69 = 682,764.85/x
  3. Step 3: Cross multiply
    1,226,643.03x = 1,692,729.69 × 682,764.85
  4. Step 4: Simplify right side
    1,226,643.03x = 1,155,736,332,883.40
  5. Step 5: Solve for x
    x = 1,155,736,332,883.40/1,226,643.03
  6. Step 6: Final answer
    x = 942,194.51

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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.