Home / 1,449,664.85-2,174,328.38-384,789.65

Finding the Fourth Proportional to 1,449,664.85, 2,174,328.38 and 384,789.65

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Solution

The fourth proportional to 1,449,664.85, 2,174,328.38 and 384,789.65 is: 577,139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,664.85 : 2,174,328.38 = 384,789.65 : x
  2. Step 2: Convert to fraction form
    1,449,664.85/2,174,328.38 = 384,789.65/x
  3. Step 3: Cross multiply
    1,449,664.85x = 2,174,328.38 × 384,789.65
  4. Step 4: Simplify right side
    1,449,664.85x = 836,659,043,529.68
  5. Step 5: Solve for x
    x = 836,659,043,529.68/1,449,664.85
  6. Step 6: Final answer
    x = 577,139.64

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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.