Home / 1,422,839.72-2,134,102.36-357,882.20

Finding the Fourth Proportional to 1,422,839.72, 2,134,102.36 and 357,882.20

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Solution

The fourth proportional to 1,422,839.72, 2,134,102.36 and 357,882.20 is: 536,783.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,839.72 : 2,134,102.36 = 357,882.20 : x
  2. Step 2: Convert to fraction form
    1,422,839.72/2,134,102.36 = 357,882.20/x
  3. Step 3: Cross multiply
    1,422,839.72x = 2,134,102.36 × 357,882.20
  4. Step 4: Simplify right side
    1,422,839.72x = 763,757,247,621.99
  5. Step 5: Solve for x
    x = 763,757,247,621.99/1,422,839.72
  6. Step 6: Final answer
    x = 536,783.75

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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.