Home / 1,449,344.62-2,172,873.57-915,741.10

Finding the Fourth Proportional to 1,449,344.62, 2,172,873.57 and 915,741.10

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Solution

The fourth proportional to 1,449,344.62, 2,172,873.57 and 915,741.10 is: 1,372,889.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,344.62 : 2,172,873.57 = 915,741.10 : x
  2. Step 2: Convert to fraction form
    1,449,344.62/2,172,873.57 = 915,741.10/x
  3. Step 3: Cross multiply
    1,449,344.62x = 2,172,873.57 × 915,741.10
  4. Step 4: Simplify right side
    1,449,344.62x = 1,989,789,633,152.73
  5. Step 5: Solve for x
    x = 1,989,789,633,152.73/1,449,344.62
  6. Step 6: Final answer
    x = 1,372,889.24

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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.