Home / 1,226,614.89-1,692,728.64-682,738.98

Finding the Fourth Proportional to 1,226,614.89, 1,692,728.64 and 682,738.98

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Solution

The fourth proportional to 1,226,614.89, 1,692,728.64 and 682,738.98 is: 942,179.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,614.89 : 1,692,728.64 = 682,738.98 : x
  2. Step 2: Convert to fraction form
    1,226,614.89/1,692,728.64 = 682,738.98/x
  3. Step 3: Cross multiply
    1,226,614.89x = 1,692,728.64 × 682,738.98
  4. Step 4: Simplify right side
    1,226,614.89x = 1,155,691,825,090.39
  5. Step 5: Solve for x
    x = 1,155,691,825,090.39/1,226,614.89
  6. Step 6: Final answer
    x = 942,179.84

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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.