Home / 1,241,002.62-1,861,508.79-820,184.94

Finding the Fourth Proportional to 1,241,002.62, 1,861,508.79 and 820,184.94

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Solution

The fourth proportional to 1,241,002.62, 1,861,508.79 and 820,184.94 is: 1,230,280.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,002.62 : 1,861,508.79 = 820,184.94 : x
  2. Step 2: Convert to fraction form
    1,241,002.62/1,861,508.79 = 820,184.94/x
  3. Step 3: Cross multiply
    1,241,002.62x = 1,861,508.79 × 820,184.94
  4. Step 4: Simplify right side
    1,241,002.62x = 1,526,781,475,235.62
  5. Step 5: Solve for x
    x = 1,526,781,475,235.62/1,241,002.62
  6. Step 6: Final answer
    x = 1,230,280.62

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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.