Home / 1,409,433.52-1,945,023.36-764,853.56

Finding the Fourth Proportional to 1,409,433.52, 1,945,023.36 and 764,853.56

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Solution

The fourth proportional to 1,409,433.52, 1,945,023.36 and 764,853.56 is: 1,055,500.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,433.52 : 1,945,023.36 = 764,853.56 : x
  2. Step 2: Convert to fraction form
    1,409,433.52/1,945,023.36 = 764,853.56/x
  3. Step 3: Cross multiply
    1,409,433.52x = 1,945,023.36 × 764,853.56
  4. Step 4: Simplify right side
    1,409,433.52x = 1,487,658,041,179.16
  5. Step 5: Solve for x
    x = 1,487,658,041,179.16/1,409,433.52
  6. Step 6: Final answer
    x = 1,055,500.68

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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.