Home / 1,099,577.52-1,649,059.20-389,414.88

Finding the Fourth Proportional to 1,099,577.52, 1,649,059.20 and 389,414.88

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Solution

The fourth proportional to 1,099,577.52, 1,649,059.20 and 389,414.88 is: 584,013.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,577.52 : 1,649,059.20 = 389,414.88 : x
  2. Step 2: Convert to fraction form
    1,099,577.52/1,649,059.20 = 389,414.88/x
  3. Step 3: Cross multiply
    1,099,577.52x = 1,649,059.20 × 389,414.88
  4. Step 4: Simplify right side
    1,099,577.52x = 642,168,190,480.90
  5. Step 5: Solve for x
    x = 642,168,190,480.90/1,099,577.52
  6. Step 6: Final answer
    x = 584,013.57

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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.