Home / 1,151,635.82-1,589,262.95-635,389.68

Finding the Fourth Proportional to 1,151,635.82, 1,589,262.95 and 635,389.68

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Solution

The fourth proportional to 1,151,635.82, 1,589,262.95 and 635,389.68 is: 876,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,635.82 : 1,589,262.95 = 635,389.68 : x
  2. Step 2: Convert to fraction form
    1,151,635.82/1,589,262.95 = 635,389.68/x
  3. Step 3: Cross multiply
    1,151,635.82x = 1,589,262.95 × 635,389.68
  4. Step 4: Simplify right side
    1,151,635.82x = 1,009,801,281,209.51
  5. Step 5: Solve for x
    x = 1,009,801,281,209.51/1,151,635.82
  6. Step 6: Final answer
    x = 876,840.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.