Home / 1,373,190.40-2,059,785.60-426,553.60

Finding the Fourth Proportional to 1,373,190.40, 2,059,785.60 and 426,553.60

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Solution

The fourth proportional to 1,373,190.40, 2,059,785.60 and 426,553.60 is: 639,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,190.40 : 2,059,785.60 = 426,553.60 : x
  2. Step 2: Convert to fraction form
    1,373,190.40/2,059,785.60 = 426,553.60/x
  3. Step 3: Cross multiply
    1,373,190.40x = 2,059,785.60 × 426,553.60
  4. Step 4: Simplify right side
    1,373,190.40x = 878,608,962,908.16
  5. Step 5: Solve for x
    x = 878,608,962,908.16/1,373,190.40
  6. Step 6: Final answer
    x = 639,830.40

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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.