Home / 1,369,186.78-2,052,905.37-657,799.42

Finding the Fourth Proportional to 1,369,186.78, 2,052,905.37 and 657,799.42

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Solution

The fourth proportional to 1,369,186.78, 2,052,905.37 and 657,799.42 is: 986,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,186.78 : 2,052,905.37 = 657,799.42 : x
  2. Step 2: Convert to fraction form
    1,369,186.78/2,052,905.37 = 657,799.42/x
  3. Step 3: Cross multiply
    1,369,186.78x = 2,052,905.37 × 657,799.42
  4. Step 4: Simplify right side
    1,369,186.78x = 1,350,399,961,700.89
  5. Step 5: Solve for x
    x = 1,350,399,961,700.89/1,369,186.78
  6. Step 6: Final answer
    x = 986,278.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.