Home / 1,639,741.32-2,459,131.92-628,787.88

Finding the Fourth Proportional to 1,639,741.32, 2,459,131.92 and 628,787.88

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Solution

The fourth proportional to 1,639,741.32, 2,459,131.92 and 628,787.88 is: 942,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,741.32 : 2,459,131.92 = 628,787.88 : x
  2. Step 2: Convert to fraction form
    1,639,741.32/2,459,131.92 = 628,787.88/x
  3. Step 3: Cross multiply
    1,639,741.32x = 2,459,131.92 × 628,787.88
  4. Step 4: Simplify right side
    1,639,741.32x = 1,546,272,346,617.13
  5. Step 5: Solve for x
    x = 1,546,272,346,617.13/1,639,741.32
  6. Step 6: Final answer
    x = 942,997.73

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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.