Home / 1,261,073.91-1,740,519.29-789,800.02

Finding the Fourth Proportional to 1,261,073.91, 1,740,519.29 and 789,800.02

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Solution

The fourth proportional to 1,261,073.91, 1,740,519.29 and 789,800.02 is: 1,090,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,073.91 : 1,740,519.29 = 789,800.02 : x
  2. Step 2: Convert to fraction form
    1,261,073.91/1,740,519.29 = 789,800.02/x
  3. Step 3: Cross multiply
    1,261,073.91x = 1,740,519.29 × 789,800.02
  4. Step 4: Simplify right side
    1,261,073.91x = 1,374,662,167,675.59
  5. Step 5: Solve for x
    x = 1,374,662,167,675.59/1,261,073.91
  6. Step 6: Final answer
    x = 1,090,072.64

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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.