Home / 1,137,485.20-1,704,915.42-427,060.12

Finding the Fourth Proportional to 1,137,485.20, 1,704,915.42 and 427,060.12

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Solution

The fourth proportional to 1,137,485.20, 1,704,915.42 and 427,060.12 is: 640,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,485.20 : 1,704,915.42 = 427,060.12 : x
  2. Step 2: Convert to fraction form
    1,137,485.20/1,704,915.42 = 427,060.12/x
  3. Step 3: Cross multiply
    1,137,485.20x = 1,704,915.42 × 427,060.12
  4. Step 4: Simplify right side
    1,137,485.20x = 728,101,383,855.05
  5. Step 5: Solve for x
    x = 728,101,383,855.05/1,137,485.20
  6. Step 6: Final answer
    x = 640,097.46

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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.