Home / 1,409,455.26-1,945,049.50-764,875.44

Finding the Fourth Proportional to 1,409,455.26, 1,945,049.50 and 764,875.44

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Solution

The fourth proportional to 1,409,455.26, 1,945,049.50 and 764,875.44 is: 1,055,528.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,455.26 : 1,945,049.50 = 764,875.44 : x
  2. Step 2: Convert to fraction form
    1,409,455.26/1,945,049.50 = 764,875.44/x
  3. Step 3: Cross multiply
    1,409,455.26x = 1,945,049.50 × 764,875.44
  4. Step 4: Simplify right side
    1,409,455.26x = 1,487,720,592,134.28
  5. Step 5: Solve for x
    x = 1,487,720,592,134.28/1,409,455.26
  6. Step 6: Final answer
    x = 1,055,528.78

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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.