Home / 1,394,720.78-2,091,268.23-540,794.78

Finding the Fourth Proportional to 1,394,720.78, 2,091,268.23 and 540,794.78

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Solution

The fourth proportional to 1,394,720.78, 2,091,268.23 and 540,794.78 is: 810,876.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,720.78 : 2,091,268.23 = 540,794.78 : x
  2. Step 2: Convert to fraction form
    1,394,720.78/2,091,268.23 = 540,794.78/x
  3. Step 3: Cross multiply
    1,394,720.78x = 2,091,268.23 × 540,794.78
  4. Step 4: Simplify right side
    1,394,720.78x = 1,130,946,937,721.77
  5. Step 5: Solve for x
    x = 1,130,946,937,721.77/1,394,720.78
  6. Step 6: Final answer
    x = 810,876.96

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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.