Home / 1,375,671.38-2,062,421.81-869,164.75

Finding the Fourth Proportional to 1,375,671.38, 2,062,421.81 and 869,164.75

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Solution

The fourth proportional to 1,375,671.38, 2,062,421.81 and 869,164.75 is: 1,303,061.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,671.38 : 2,062,421.81 = 869,164.75 : x
  2. Step 2: Convert to fraction form
    1,375,671.38/2,062,421.81 = 869,164.75/x
  3. Step 3: Cross multiply
    1,375,671.38x = 2,062,421.81 × 869,164.75
  4. Step 4: Simplify right side
    1,375,671.38x = 1,792,584,327,995.87
  5. Step 5: Solve for x
    x = 1,792,584,327,995.87/1,375,671.38
  6. Step 6: Final answer
    x = 1,303,061.44

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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.