Home / 1,434,174.12-2,151,278.46-436,910.76

Finding the Fourth Proportional to 1,434,174.12, 2,151,278.46 and 436,910.76

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Solution

The fourth proportional to 1,434,174.12, 2,151,278.46 and 436,910.76 is: 655,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,174.12 : 2,151,278.46 = 436,910.76 : x
  2. Step 2: Convert to fraction form
    1,434,174.12/2,151,278.46 = 436,910.76/x
  3. Step 3: Cross multiply
    1,434,174.12x = 2,151,278.46 × 436,910.76
  4. Step 4: Simplify right side
    1,434,174.12x = 939,916,706,930.23
  5. Step 5: Solve for x
    x = 939,916,706,930.23/1,434,174.12
  6. Step 6: Final answer
    x = 655,371.40

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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.