Home / 1,445,440.80-1,996,387.92-1,361,460

Finding the Fourth Proportional to 1,445,440.80, 1,996,387.92 and 1,361,460

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Solution

The fourth proportional to 1,445,440.80, 1,996,387.92 and 1,361,460 is: 1,880,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,440.80 : 1,996,387.92 = 1,361,460 : x
  2. Step 2: Convert to fraction form
    1,445,440.80/1,996,387.92 = 1,361,460/x
  3. Step 3: Cross multiply
    1,445,440.80x = 1,996,387.92 × 1,361,460
  4. Step 4: Simplify right side
    1,445,440.80x = 2,718,002,297,563.20
  5. Step 5: Solve for x
    x = 2,718,002,297,563.20/1,445,440.80
  6. Step 6: Final answer
    x = 1,880,396.83

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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.