Home / 1,099,229.32-1,648,830.90-619,493.32

Finding the Fourth Proportional to 1,099,229.32, 1,648,830.90 and 619,493.32

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Solution

The fourth proportional to 1,099,229.32, 1,648,830.90 and 619,493.32 is: 929,232.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,229.32 : 1,648,830.90 = 619,493.32 : x
  2. Step 2: Convert to fraction form
    1,099,229.32/1,648,830.90 = 619,493.32/x
  3. Step 3: Cross multiply
    1,099,229.32x = 1,648,830.90 × 619,493.32
  4. Step 4: Simplify right side
    1,099,229.32x = 1,021,439,728,359.59
  5. Step 5: Solve for x
    x = 1,021,439,728,359.59/1,099,229.32
  6. Step 6: Final answer
    x = 929,232.61

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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.