Home / 1,377,422.70-2,066,134.05-997,540.80

Finding the Fourth Proportional to 1,377,422.70, 2,066,134.05 and 997,540.80

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Solution

The fourth proportional to 1,377,422.70, 2,066,134.05 and 997,540.80 is: 1,496,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,422.70 : 2,066,134.05 = 997,540.80 : x
  2. Step 2: Convert to fraction form
    1,377,422.70/2,066,134.05 = 997,540.80/x
  3. Step 3: Cross multiply
    1,377,422.70x = 2,066,134.05 × 997,540.80
  4. Step 4: Simplify right side
    1,377,422.70x = 2,061,053,013,144.24
  5. Step 5: Solve for x
    x = 2,061,053,013,144.24/1,377,422.70
  6. Step 6: Final answer
    x = 1,496,311.20

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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.