Home / 1,409,431.52-1,945,020.60-764,851.56

Finding the Fourth Proportional to 1,409,431.52, 1,945,020.60 and 764,851.56

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Solution

The fourth proportional to 1,409,431.52, 1,945,020.60 and 764,851.56 is: 1,055,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,431.52 : 1,945,020.60 = 764,851.56 : x
  2. Step 2: Convert to fraction form
    1,409,431.52/1,945,020.60 = 764,851.56/x
  3. Step 3: Cross multiply
    1,409,431.52x = 1,945,020.60 × 764,851.56
  4. Step 4: Simplify right side
    1,409,431.52x = 1,487,652,040,142.14
  5. Step 5: Solve for x
    x = 1,487,652,040,142.14/1,409,431.52
  6. Step 6: Final answer
    x = 1,055,497.93

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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.