Home / 1,728,021.20-2,591,254.20-662,709.20

Finding the Fourth Proportional to 1,728,021.20, 2,591,254.20 and 662,709.20

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Solution

The fourth proportional to 1,728,021.20, 2,591,254.20 and 662,709.20 is: 993,765.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,021.20 : 2,591,254.20 = 662,709.20 : x
  2. Step 2: Convert to fraction form
    1,728,021.20/2,591,254.20 = 662,709.20/x
  3. Step 3: Cross multiply
    1,728,021.20x = 2,591,254.20 × 662,709.20
  4. Step 4: Simplify right side
    1,728,021.20x = 1,717,247,997,878.64
  5. Step 5: Solve for x
    x = 1,717,247,997,878.64/1,728,021.20
  6. Step 6: Final answer
    x = 993,765.58

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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.