Home / 1,043,138.60-1,565,291.10-443,997.80

Finding the Fourth Proportional to 1,043,138.60, 1,565,291.10 and 443,997.80

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Solution

The fourth proportional to 1,043,138.60, 1,565,291.10 and 443,997.80 is: 666,244.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,138.60 : 1,565,291.10 = 443,997.80 : x
  2. Step 2: Convert to fraction form
    1,043,138.60/1,565,291.10 = 443,997.80/x
  3. Step 3: Cross multiply
    1,043,138.60x = 1,565,291.10 × 443,997.80
  4. Step 4: Simplify right side
    1,043,138.60x = 694,985,804,759.58
  5. Step 5: Solve for x
    x = 694,985,804,759.58/1,043,138.60
  6. Step 6: Final answer
    x = 666,244.93

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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.