Home / 1,381,514-2,072,387.66-384,242

Finding the Fourth Proportional to 1,381,514, 2,072,387.66 and 384,242

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Solution

The fourth proportional to 1,381,514, 2,072,387.66 and 384,242 is: 576,395.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,514 : 2,072,387.66 = 384,242 : x
  2. Step 2: Convert to fraction form
    1,381,514/2,072,387.66 = 384,242/x
  3. Step 3: Cross multiply
    1,381,514x = 2,072,387.66 × 384,242
  4. Step 4: Simplify right side
    1,381,514x = 796,298,379,253.72
  5. Step 5: Solve for x
    x = 796,298,379,253.72/1,381,514
  6. Step 6: Final answer
    x = 576,395.45

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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.