Home / 1,226,724.55-1,692,929.57-682,825.82

Finding the Fourth Proportional to 1,226,724.55, 1,692,929.57 and 682,825.82

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Solution

The fourth proportional to 1,226,724.55, 1,692,929.57 and 682,825.82 is: 942,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,724.55 : 1,692,929.57 = 682,825.82 : x
  2. Step 2: Convert to fraction form
    1,226,724.55/1,692,929.57 = 682,825.82/x
  3. Step 3: Cross multiply
    1,226,724.55x = 1,692,929.57 × 682,825.82
  4. Step 4: Simplify right side
    1,226,724.55x = 1,155,976,009,958.72
  5. Step 5: Solve for x
    x = 1,155,976,009,958.72/1,226,724.55
  6. Step 6: Final answer
    x = 942,327.28

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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.