Home / 845,738.64-1,269,690.54-726,558.07

Finding the Fourth Proportional to 845,738.64, 1,269,690.54 and 726,558.07

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Solution

The fourth proportional to 845,738.64, 1,269,690.54 and 726,558.07 is: 1,090,767.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,738.64 : 1,269,690.54 = 726,558.07 : x
  2. Step 2: Convert to fraction form
    845,738.64/1,269,690.54 = 726,558.07/x
  3. Step 3: Cross multiply
    845,738.64x = 1,269,690.54 × 726,558.07
  4. Step 4: Simplify right side
    845,738.64x = 922,503,904,606.87
  5. Step 5: Solve for x
    x = 922,503,904,606.87/845,738.64
  6. Step 6: Final answer
    x = 1,090,767.13

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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.