Home / 1,631,781-2,448,114.42-494,497.26

Finding the Fourth Proportional to 1,631,781, 2,448,114.42 and 494,497.26

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Solution

The fourth proportional to 1,631,781, 2,448,114.42 and 494,497.26 is: 741,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,781 : 2,448,114.42 = 494,497.26 : x
  2. Step 2: Convert to fraction form
    1,631,781/2,448,114.42 = 494,497.26/x
  3. Step 3: Cross multiply
    1,631,781x = 2,448,114.42 × 494,497.26
  4. Step 4: Simplify right side
    1,631,781x = 1,210,585,872,856.49
  5. Step 5: Solve for x
    x = 1,210,585,872,856.49/1,631,781
  6. Step 6: Final answer
    x = 741,880.11

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Double scale
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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.