Home / 1,459,739.75-2,189,371.88-512,889.44

Finding the Fourth Proportional to 1,459,739.75, 2,189,371.88 and 512,889.44

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Solution

The fourth proportional to 1,459,739.75, 2,189,371.88 and 512,889.44 is: 769,250.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,739.75 : 2,189,371.88 = 512,889.44 : x
  2. Step 2: Convert to fraction form
    1,459,739.75/2,189,371.88 = 512,889.44/x
  3. Step 3: Cross multiply
    1,459,739.75x = 2,189,371.88 × 512,889.44
  4. Step 4: Simplify right side
    1,459,739.75x = 1,122,905,707,820.31
  5. Step 5: Solve for x
    x = 1,122,905,707,820.31/1,459,739.75
  6. Step 6: Final answer
    x = 769,250.62

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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.