Home / 1,489,588.83-2,232,633.64-689,179.64

Finding the Fourth Proportional to 1,489,588.83, 2,232,633.64 and 689,179.64

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Solution

The fourth proportional to 1,489,588.83, 2,232,633.64 and 689,179.64 is: 1,032,959.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,588.83 : 2,232,633.64 = 689,179.64 : x
  2. Step 2: Convert to fraction form
    1,489,588.83/2,232,633.64 = 689,179.64/x
  3. Step 3: Cross multiply
    1,489,588.83x = 2,232,633.64 × 689,179.64
  4. Step 4: Simplify right side
    1,489,588.83x = 1,538,685,640,756.19
  5. Step 5: Solve for x
    x = 1,538,685,640,756.19/1,489,588.83
  6. Step 6: Final answer
    x = 1,032,959.97

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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.