Home / 1,226,406.47-1,692,520.25-682,540.47

Finding the Fourth Proportional to 1,226,406.47, 1,692,520.25 and 682,540.47

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Solution

The fourth proportional to 1,226,406.47, 1,692,520.25 and 682,540.47 is: 941,949.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,406.47 : 1,692,520.25 = 682,540.47 : x
  2. Step 2: Convert to fraction form
    1,226,406.47/1,692,520.25 = 682,540.47/x
  3. Step 3: Cross multiply
    1,226,406.47x = 1,692,520.25 × 682,540.47
  4. Step 4: Simplify right side
    1,226,406.47x = 1,155,213,563,506.82
  5. Step 5: Solve for x
    x = 1,155,213,563,506.82/1,226,406.47
  6. Step 6: Final answer
    x = 941,949.99

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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.