Home / 1,375,760.34-2,062,555.13-869,253.70

Finding the Fourth Proportional to 1,375,760.34, 2,062,555.13 and 869,253.70

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Solution

The fourth proportional to 1,375,760.34, 2,062,555.13 and 869,253.70 is: 1,303,194.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,760.34 : 2,062,555.13 = 869,253.70 : x
  2. Step 2: Convert to fraction form
    1,375,760.34/2,062,555.13 = 869,253.70/x
  3. Step 3: Cross multiply
    1,375,760.34x = 2,062,555.13 × 869,253.70
  4. Step 4: Simplify right side
    1,375,760.34x = 1,792,883,673,860.21
  5. Step 5: Solve for x
    x = 1,792,883,673,860.21/1,375,760.34
  6. Step 6: Final answer
    x = 1,303,194.77

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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.