Home / 1,381,569-2,072,470.16-384,297

Finding the Fourth Proportional to 1,381,569, 2,072,470.16 and 384,297

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Solution

The fourth proportional to 1,381,569, 2,072,470.16 and 384,297 is: 576,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,569 : 2,072,470.16 = 384,297 : x
  2. Step 2: Convert to fraction form
    1,381,569/2,072,470.16 = 384,297/x
  3. Step 3: Cross multiply
    1,381,569x = 2,072,470.16 × 384,297
  4. Step 4: Simplify right side
    1,381,569x = 796,444,065,077.52
  5. Step 5: Solve for x
    x = 796,444,065,077.52/1,381,569
  6. Step 6: Final answer
    x = 576,477.95

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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.