Home / 1,381,512-2,072,385.36-384,240

Finding the Fourth Proportional to 1,381,512, 2,072,385.36 and 384,240

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Solution

The fourth proportional to 1,381,512, 2,072,385.36 and 384,240 is: 576,392.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,512 : 2,072,385.36 = 384,240 : x
  2. Step 2: Convert to fraction form
    1,381,512/2,072,385.36 = 384,240/x
  3. Step 3: Cross multiply
    1,381,512x = 2,072,385.36 × 384,240
  4. Step 4: Simplify right side
    1,381,512x = 796,293,350,726.40
  5. Step 5: Solve for x
    x = 796,293,350,726.40/1,381,512
  6. Step 6: Final answer
    x = 576,392.64

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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.