Home / 1,270,257.43-1,904,984.70-417,188.50

Finding the Fourth Proportional to 1,270,257.43, 1,904,984.70 and 417,188.50

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Solution

The fourth proportional to 1,270,257.43, 1,904,984.70 and 417,188.50 is: 625,650.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,257.43 : 1,904,984.70 = 417,188.50 : x
  2. Step 2: Convert to fraction form
    1,270,257.43/1,904,984.70 = 417,188.50/x
  3. Step 3: Cross multiply
    1,270,257.43x = 1,904,984.70 × 417,188.50
  4. Step 4: Simplify right side
    1,270,257.43x = 794,737,709,515.95
  5. Step 5: Solve for x
    x = 794,737,709,515.95/1,270,257.43
  6. Step 6: Final answer
    x = 625,650.90

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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.