Home / 1,375,760.84-2,062,555.87-869,254.20

Finding the Fourth Proportional to 1,375,760.84, 2,062,555.87 and 869,254.20

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Solution

The fourth proportional to 1,375,760.84, 2,062,555.87 and 869,254.20 is: 1,303,195.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,760.84 : 2,062,555.87 = 869,254.20 : x
  2. Step 2: Convert to fraction form
    1,375,760.84/2,062,555.87 = 869,254.20/x
  3. Step 3: Cross multiply
    1,375,760.84x = 2,062,555.87 × 869,254.20
  4. Step 4: Simplify right side
    1,375,760.84x = 1,792,885,352,732.15
  5. Step 5: Solve for x
    x = 1,792,885,352,732.15/1,375,760.84
  6. Step 6: Final answer
    x = 1,303,195.51

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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.