Home / 1,404,049.88-2,106,074.74-393,321.48

Finding the Fourth Proportional to 1,404,049.88, 2,106,074.74 and 393,321.48

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Solution

The fourth proportional to 1,404,049.88, 2,106,074.74 and 393,321.48 is: 589,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,049.88 : 2,106,074.74 = 393,321.48 : x
  2. Step 2: Convert to fraction form
    1,404,049.88/2,106,074.74 = 393,321.48/x
  3. Step 3: Cross multiply
    1,404,049.88x = 2,106,074.74 × 393,321.48
  4. Step 4: Simplify right side
    1,404,049.88x = 828,364,433,727.42
  5. Step 5: Solve for x
    x = 828,364,433,727.42/1,404,049.88
  6. Step 6: Final answer
    x = 589,982.20

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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.