Home / 1,381,510-2,072,381.66-384,238

Finding the Fourth Proportional to 1,381,510, 2,072,381.66 and 384,238

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Solution

The fourth proportional to 1,381,510, 2,072,381.66 and 384,238 is: 576,389.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,510 : 2,072,381.66 = 384,238 : x
  2. Step 2: Convert to fraction form
    1,381,510/2,072,381.66 = 384,238/x
  3. Step 3: Cross multiply
    1,381,510x = 2,072,381.66 × 384,238
  4. Step 4: Simplify right side
    1,381,510x = 796,287,784,275.08
  5. Step 5: Solve for x
    x = 796,287,784,275.08/1,381,510
  6. Step 6: Final answer
    x = 576,389.45

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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.