Home / 1,264,081.77-1,896,115.37-422,626.23

Finding the Fourth Proportional to 1,264,081.77, 1,896,115.37 and 422,626.23

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Solution

The fourth proportional to 1,264,081.77, 1,896,115.37 and 422,626.23 is: 633,936.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,081.77 : 1,896,115.37 = 422,626.23 : x
  2. Step 2: Convert to fraction form
    1,264,081.77/1,896,115.37 = 422,626.23/x
  3. Step 3: Cross multiply
    1,264,081.77x = 1,896,115.37 × 422,626.23
  4. Step 4: Simplify right side
    1,264,081.77x = 801,348,088,355.02
  5. Step 5: Solve for x
    x = 801,348,088,355.02/1,264,081.77
  6. Step 6: Final answer
    x = 633,936.91

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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.