Home / 1,147,771.20-1,721,721.60-349,078.80

Finding the Fourth Proportional to 1,147,771.20, 1,721,721.60 and 349,078.80

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Solution

The fourth proportional to 1,147,771.20, 1,721,721.60 and 349,078.80 is: 523,637.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,771.20 : 1,721,721.60 = 349,078.80 : x
  2. Step 2: Convert to fraction form
    1,147,771.20/1,721,721.60 = 349,078.80/x
  3. Step 3: Cross multiply
    1,147,771.20x = 1,721,721.60 × 349,078.80
  4. Step 4: Simplify right side
    1,147,771.20x = 601,016,510,062.08
  5. Step 5: Solve for x
    x = 601,016,510,062.08/1,147,771.20
  6. Step 6: Final answer
    x = 523,637.91

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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.