Home / 1,110,125.44-1,532,633.20-728,820.64

Finding the Fourth Proportional to 1,110,125.44, 1,532,633.20 and 728,820.64

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Solution

The fourth proportional to 1,110,125.44, 1,532,633.20 and 728,820.64 is: 1,006,205.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,125.44 : 1,532,633.20 = 728,820.64 : x
  2. Step 2: Convert to fraction form
    1,110,125.44/1,532,633.20 = 728,820.64/x
  3. Step 3: Cross multiply
    1,110,125.44x = 1,532,633.20 × 728,820.64
  4. Step 4: Simplify right side
    1,110,125.44x = 1,117,014,709,709.25
  5. Step 5: Solve for x
    x = 1,117,014,709,709.25/1,110,125.44
  6. Step 6: Final answer
    x = 1,006,205.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.