Home / 1,226,642.82-1,692,786.24-682,784.52

Finding the Fourth Proportional to 1,226,642.82, 1,692,786.24 and 682,784.52

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Solution

The fourth proportional to 1,226,642.82, 1,692,786.24 and 682,784.52 is: 942,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,642.82 : 1,692,786.24 = 682,784.52 : x
  2. Step 2: Convert to fraction form
    1,226,642.82/1,692,786.24 = 682,784.52/x
  3. Step 3: Cross multiply
    1,226,642.82x = 1,692,786.24 × 682,784.52
  4. Step 4: Simplify right side
    1,226,642.82x = 1,155,808,240,341.00
  5. Step 5: Solve for x
    x = 1,155,808,240,341.00/1,226,642.82
  6. Step 6: Final answer
    x = 942,253.30

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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.