Home / 1,747,389.28-2,620,144.32-1,027,979.68

Finding the Fourth Proportional to 1,747,389.28, 2,620,144.32 and 1,027,979.68

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Solution

The fourth proportional to 1,747,389.28, 2,620,144.32 and 1,027,979.68 is: 1,541,416.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,389.28 : 2,620,144.32 = 1,027,979.68 : x
  2. Step 2: Convert to fraction form
    1,747,389.28/2,620,144.32 = 1,027,979.68/x
  3. Step 3: Cross multiply
    1,747,389.28x = 2,620,144.32 × 1,027,979.68
  4. Step 4: Simplify right side
    1,747,389.28x = 2,693,455,119,627.42
  5. Step 5: Solve for x
    x = 2,693,455,119,627.42/1,747,389.28
  6. Step 6: Final answer
    x = 1,541,416.76

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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.