Home / 1,448,640.10-2,172,960.15-1,055,424.10

Finding the Fourth Proportional to 1,448,640.10, 2,172,960.15 and 1,055,424.10

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Solution

The fourth proportional to 1,448,640.10, 2,172,960.15 and 1,055,424.10 is: 1,583,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,640.10 : 2,172,960.15 = 1,055,424.10 : x
  2. Step 2: Convert to fraction form
    1,448,640.10/2,172,960.15 = 1,055,424.10/x
  3. Step 3: Cross multiply
    1,448,640.10x = 2,172,960.15 × 1,055,424.10
  4. Step 4: Simplify right side
    1,448,640.10x = 2,293,394,510,649.62
  5. Step 5: Solve for x
    x = 2,293,394,510,649.62/1,448,640.10
  6. Step 6: Final answer
    x = 1,583,136.15

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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.