Home / 1,348,519.72-2,022,102.42-449,643.28

Finding the Fourth Proportional to 1,348,519.72, 2,022,102.42 and 449,643.28

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Solution

The fourth proportional to 1,348,519.72, 2,022,102.42 and 449,643.28 is: 674,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,519.72 : 2,022,102.42 = 449,643.28 : x
  2. Step 2: Convert to fraction form
    1,348,519.72/2,022,102.42 = 449,643.28/x
  3. Step 3: Cross multiply
    1,348,519.72x = 2,022,102.42 × 449,643.28
  4. Step 4: Simplify right side
    1,348,519.72x = 909,224,764,624.74
  5. Step 5: Solve for x
    x = 909,224,764,624.74/1,348,519.72
  6. Step 6: Final answer
    x = 674,239.13

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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.