Home / 1,862,401.80-2,792,946.60-664,363.20

Finding the Fourth Proportional to 1,862,401.80, 2,792,946.60 and 664,363.20

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Solution

The fourth proportional to 1,862,401.80, 2,792,946.60 and 664,363.20 is: 996,310.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862,401.80 : 2,792,946.60 = 664,363.20 : x
  2. Step 2: Convert to fraction form
    1,862,401.80/2,792,946.60 = 664,363.20/x
  3. Step 3: Cross multiply
    1,862,401.80x = 2,792,946.60 × 664,363.20
  4. Step 4: Simplify right side
    1,862,401.80x = 1,855,530,940,605.12
  5. Step 5: Solve for x
    x = 1,855,530,940,605.12/1,862,401.80
  6. Step 6: Final answer
    x = 996,310.75

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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.