Home / 1,377,279.70-2,065,919.55-952,126.90

Finding the Fourth Proportional to 1,377,279.70, 2,065,919.55 and 952,126.90

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Solution

The fourth proportional to 1,377,279.70, 2,065,919.55 and 952,126.90 is: 1,428,190.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,279.70 : 2,065,919.55 = 952,126.90 : x
  2. Step 2: Convert to fraction form
    1,377,279.70/2,065,919.55 = 952,126.90/x
  3. Step 3: Cross multiply
    1,377,279.70x = 2,065,919.55 × 952,126.90
  4. Step 4: Simplify right side
    1,377,279.70x = 1,967,017,576,790.90
  5. Step 5: Solve for x
    x = 1,967,017,576,790.90/1,377,279.70
  6. Step 6: Final answer
    x = 1,428,190.35

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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.