Home / 1,381,494-2,072,357.64-384,222

Finding the Fourth Proportional to 1,381,494, 2,072,357.64 and 384,222

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Solution

The fourth proportional to 1,381,494, 2,072,357.64 and 384,222 is: 576,365.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,494 : 2,072,357.64 = 384,222 : x
  2. Step 2: Convert to fraction form
    1,381,494/2,072,357.64 = 384,222/x
  3. Step 3: Cross multiply
    1,381,494x = 2,072,357.64 × 384,222
  4. Step 4: Simplify right side
    1,381,494x = 796,245,397,156.08
  5. Step 5: Solve for x
    x = 796,245,397,156.08/1,381,494
  6. Step 6: Final answer
    x = 576,365.44

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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.