Home / 1,638,549.75-2,260,272.54-1,025,638.56

Finding the Fourth Proportional to 1,638,549.75, 2,260,272.54 and 1,025,638.56

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Solution

The fourth proportional to 1,638,549.75, 2,260,272.54 and 1,025,638.56 is: 1,414,801.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,549.75 : 2,260,272.54 = 1,025,638.56 : x
  2. Step 2: Convert to fraction form
    1,638,549.75/2,260,272.54 = 1,025,638.56/x
  3. Step 3: Cross multiply
    1,638,549.75x = 2,260,272.54 × 1,025,638.56
  4. Step 4: Simplify right side
    1,638,549.75x = 2,318,222,673,133.14
  5. Step 5: Solve for x
    x = 2,318,222,673,133.14/1,638,549.75
  6. Step 6: Final answer
    x = 1,414,801.52

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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.