Home / 1,327,056.21-1,990,585.53-329,784.21

Finding the Fourth Proportional to 1,327,056.21, 1,990,585.53 and 329,784.21

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Solution

The fourth proportional to 1,327,056.21, 1,990,585.53 and 329,784.21 is: 494,676.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,056.21 : 1,990,585.53 = 329,784.21 : x
  2. Step 2: Convert to fraction form
    1,327,056.21/1,990,585.53 = 329,784.21/x
  3. Step 3: Cross multiply
    1,327,056.21x = 1,990,585.53 × 329,784.21
  4. Step 4: Simplify right side
    1,327,056.21x = 656,463,676,448.48
  5. Step 5: Solve for x
    x = 656,463,676,448.48/1,327,056.21
  6. Step 6: Final answer
    x = 494,676.62

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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.