Home / 1,638,541-2,260,260.48-1,025,629.80

Finding the Fourth Proportional to 1,638,541, 2,260,260.48 and 1,025,629.80

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Solution

The fourth proportional to 1,638,541, 2,260,260.48 and 1,025,629.80 is: 1,414,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,541 : 2,260,260.48 = 1,025,629.80 : x
  2. Step 2: Convert to fraction form
    1,638,541/2,260,260.48 = 1,025,629.80/x
  3. Step 3: Cross multiply
    1,638,541x = 2,260,260.48 × 1,025,629.80
  4. Step 4: Simplify right side
    1,638,541x = 2,318,190,504,050.30
  5. Step 5: Solve for x
    x = 2,318,190,504,050.30/1,638,541
  6. Step 6: Final answer
    x = 1,414,789.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.