Home / 1,276,383.40-1,914,575.10-1,099,090.60

Finding the Fourth Proportional to 1,276,383.40, 1,914,575.10 and 1,099,090.60

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Solution

The fourth proportional to 1,276,383.40, 1,914,575.10 and 1,099,090.60 is: 1,648,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,383.40 : 1,914,575.10 = 1,099,090.60 : x
  2. Step 2: Convert to fraction form
    1,276,383.40/1,914,575.10 = 1,099,090.60/x
  3. Step 3: Cross multiply
    1,276,383.40x = 1,914,575.10 × 1,099,090.60
  4. Step 4: Simplify right side
    1,276,383.40x = 2,104,291,495,404.06
  5. Step 5: Solve for x
    x = 2,104,291,495,404.06/1,276,383.40
  6. Step 6: Final answer
    x = 1,648,635.90

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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.