Home / 1,377,956.88-2,066,974.20-380,684.88

Finding the Fourth Proportional to 1,377,956.88, 2,066,974.20 and 380,684.88

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Solution

The fourth proportional to 1,377,956.88, 2,066,974.20 and 380,684.88 is: 571,038.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,956.88 : 2,066,974.20 = 380,684.88 : x
  2. Step 2: Convert to fraction form
    1,377,956.88/2,066,974.20 = 380,684.88/x
  3. Step 3: Cross multiply
    1,377,956.88x = 2,066,974.20 × 380,684.88
  4. Step 4: Simplify right side
    1,377,956.88x = 786,865,825,290.10
  5. Step 5: Solve for x
    x = 786,865,825,290.10/1,377,956.88
  6. Step 6: Final answer
    x = 571,038.06

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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.