Home / 1,431,634.57-2,147,340.20-832,213.40

Finding the Fourth Proportional to 1,431,634.57, 2,147,340.20 and 832,213.40

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Solution

The fourth proportional to 1,431,634.57, 2,147,340.20 and 832,213.40 is: 1,248,255.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,634.57 : 2,147,340.20 = 832,213.40 : x
  2. Step 2: Convert to fraction form
    1,431,634.57/2,147,340.20 = 832,213.40/x
  3. Step 3: Cross multiply
    1,431,634.57x = 2,147,340.20 × 832,213.40
  4. Step 4: Simplify right side
    1,431,634.57x = 1,787,045,273,900.91
  5. Step 5: Solve for x
    x = 1,787,045,273,900.91/1,431,634.57
  6. Step 6: Final answer
    x = 1,248,255.19

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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.