Home / 1,373,195.40-2,059,793.10-426,558.60

Finding the Fourth Proportional to 1,373,195.40, 2,059,793.10 and 426,558.60

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Solution

The fourth proportional to 1,373,195.40, 2,059,793.10 and 426,558.60 is: 639,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,195.40 : 2,059,793.10 = 426,558.60 : x
  2. Step 2: Convert to fraction form
    1,373,195.40/2,059,793.10 = 426,558.60/x
  3. Step 3: Cross multiply
    1,373,195.40x = 2,059,793.10 × 426,558.60
  4. Step 4: Simplify right side
    1,373,195.40x = 878,622,461,025.66
  5. Step 5: Solve for x
    x = 878,622,461,025.66/1,373,195.40
  6. Step 6: Final answer
    x = 639,837.90

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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.