Home / 1,143,734.31-1,715,103.11-385,434.38

Finding the Fourth Proportional to 1,143,734.31, 1,715,103.11 and 385,434.38

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Solution

The fourth proportional to 1,143,734.31, 1,715,103.11 and 385,434.38 is: 577,983.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,734.31 : 1,715,103.11 = 385,434.38 : x
  2. Step 2: Convert to fraction form
    1,143,734.31/1,715,103.11 = 385,434.38/x
  3. Step 3: Cross multiply
    1,143,734.31x = 1,715,103.11 × 385,434.38
  4. Step 4: Simplify right side
    1,143,734.31x = 661,059,709,090.27
  5. Step 5: Solve for x
    x = 661,059,709,090.27/1,143,734.31
  6. Step 6: Final answer
    x = 577,983.63

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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.