Home / 1,261,078.43-1,740,525.50-789,804.52

Finding the Fourth Proportional to 1,261,078.43, 1,740,525.50 and 789,804.52

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Solution

The fourth proportional to 1,261,078.43, 1,740,525.50 and 789,804.52 is: 1,090,078.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,078.43 : 1,740,525.50 = 789,804.52 : x
  2. Step 2: Convert to fraction form
    1,261,078.43/1,740,525.50 = 789,804.52/x
  3. Step 3: Cross multiply
    1,261,078.43x = 1,740,525.50 × 789,804.52
  4. Step 4: Simplify right side
    1,261,078.43x = 1,374,674,904,698.46
  5. Step 5: Solve for x
    x = 1,374,674,904,698.46/1,261,078.43
  6. Step 6: Final answer
    x = 1,090,078.84

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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.