Home / 1,120,930.90-1,546,480.48-862,886.76

Finding the Fourth Proportional to 1,120,930.90, 1,546,480.48 and 862,886.76

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Solution

The fourth proportional to 1,120,930.90, 1,546,480.48 and 862,886.76 is: 1,190,472.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,930.90 : 1,546,480.48 = 862,886.76 : x
  2. Step 2: Convert to fraction form
    1,120,930.90/1,546,480.48 = 862,886.76/x
  3. Step 3: Cross multiply
    1,120,930.90x = 1,546,480.48 × 862,886.76
  4. Step 4: Simplify right side
    1,120,930.90x = 1,334,437,530,790.44
  5. Step 5: Solve for x
    x = 1,334,437,530,790.44/1,120,930.90
  6. Step 6: Final answer
    x = 1,190,472.61

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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.