Home / 1,313,519.66-1,812,616.00-770,017.43

Finding the Fourth Proportional to 1,313,519.66, 1,812,616.00 and 770,017.43

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Solution

The fourth proportional to 1,313,519.66, 1,812,616.00 and 770,017.43 is: 1,062,599.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,519.66 : 1,812,616.00 = 770,017.43 : x
  2. Step 2: Convert to fraction form
    1,313,519.66/1,812,616.00 = 770,017.43/x
  3. Step 3: Cross multiply
    1,313,519.66x = 1,812,616.00 × 770,017.43
  4. Step 4: Simplify right side
    1,313,519.66x = 1,395,745,916,503.38
  5. Step 5: Solve for x
    x = 1,395,745,916,503.38/1,313,519.66
  6. Step 6: Final answer
    x = 1,062,599.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.