Home / 1,431,327.96-2,146,766.49-1,189,720.53

Finding the Fourth Proportional to 1,431,327.96, 2,146,766.49 and 1,189,720.53

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Solution

The fourth proportional to 1,431,327.96, 2,146,766.49 and 1,189,720.53 is: 1,784,393.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,327.96 : 2,146,766.49 = 1,189,720.53 : x
  2. Step 2: Convert to fraction form
    1,431,327.96/2,146,766.49 = 1,189,720.53/x
  3. Step 3: Cross multiply
    1,431,327.96x = 2,146,766.49 × 1,189,720.53
  4. Step 4: Simplify right side
    1,431,327.96x = 2,554,052,166,269.04
  5. Step 5: Solve for x
    x = 2,554,052,166,269.04/1,431,327.96
  6. Step 6: Final answer
    x = 1,784,393.40

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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.