Home / 1,861,206.64-2,792,004.15-513,369.47

Finding the Fourth Proportional to 1,861,206.64, 2,792,004.15 and 513,369.47

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Solution

The fourth proportional to 1,861,206.64, 2,792,004.15 and 513,369.47 is: 770,107.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,206.64 : 2,792,004.15 = 513,369.47 : x
  2. Step 2: Convert to fraction form
    1,861,206.64/2,792,004.15 = 513,369.47/x
  3. Step 3: Cross multiply
    1,861,206.64x = 2,792,004.15 × 513,369.47
  4. Step 4: Simplify right side
    1,861,206.64x = 1,433,329,690,723.30
  5. Step 5: Solve for x
    x = 1,433,329,690,723.30/1,861,206.64
  6. Step 6: Final answer
    x = 770,107.77

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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.