Home / 1,640,043.72-2,459,978.10-441,946.80

Finding the Fourth Proportional to 1,640,043.72, 2,459,978.10 and 441,946.80

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Solution

The fourth proportional to 1,640,043.72, 2,459,978.10 and 441,946.80 is: 662,896.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,043.72 : 2,459,978.10 = 441,946.80 : x
  2. Step 2: Convert to fraction form
    1,640,043.72/2,459,978.10 = 441,946.80/x
  3. Step 3: Cross multiply
    1,640,043.72x = 2,459,978.10 × 441,946.80
  4. Step 4: Simplify right side
    1,640,043.72x = 1,087,179,449,365.08
  5. Step 5: Solve for x
    x = 1,087,179,449,365.08/1,640,043.72
  6. Step 6: Final answer
    x = 662,896.63

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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.