Home / 1,268,040.94-1,897,571.49-788,494.57

Finding the Fourth Proportional to 1,268,040.94, 1,897,571.49 and 788,494.57

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Solution

The fourth proportional to 1,268,040.94, 1,897,571.49 and 788,494.57 is: 1,179,949.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,040.94 : 1,897,571.49 = 788,494.57 : x
  2. Step 2: Convert to fraction form
    1,268,040.94/1,897,571.49 = 788,494.57/x
  3. Step 3: Cross multiply
    1,268,040.94x = 1,897,571.49 × 788,494.57
  4. Step 4: Simplify right side
    1,268,040.94x = 1,496,224,816,051.81
  5. Step 5: Solve for x
    x = 1,496,224,816,051.81/1,268,040.94
  6. Step 6: Final answer
    x = 1,179,949.93

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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.