Home / 1,409,452.20-1,945,045.26-764,872.36

Finding the Fourth Proportional to 1,409,452.20, 1,945,045.26 and 764,872.36

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Solution

The fourth proportional to 1,409,452.20, 1,945,045.26 and 764,872.36 is: 1,055,524.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,452.20 : 1,945,045.26 = 764,872.36 : x
  2. Step 2: Convert to fraction form
    1,409,452.20/1,945,045.26 = 764,872.36/x
  3. Step 3: Cross multiply
    1,409,452.20x = 1,945,045.26 × 764,872.36
  4. Step 4: Simplify right side
    1,409,452.20x = 1,487,711,358,323.01
  5. Step 5: Solve for x
    x = 1,487,711,358,323.01/1,409,452.20
  6. Step 6: Final answer
    x = 1,055,524.52

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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.