Home / 1,277,032.20-1,915,548.30-1,028,200.20

Finding the Fourth Proportional to 1,277,032.20, 1,915,548.30 and 1,028,200.20

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Solution

The fourth proportional to 1,277,032.20, 1,915,548.30 and 1,028,200.20 is: 1,542,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,032.20 : 1,915,548.30 = 1,028,200.20 : x
  2. Step 2: Convert to fraction form
    1,277,032.20/1,915,548.30 = 1,028,200.20/x
  3. Step 3: Cross multiply
    1,277,032.20x = 1,915,548.30 × 1,028,200.20
  4. Step 4: Simplify right side
    1,277,032.20x = 1,969,567,145,169.66
  5. Step 5: Solve for x
    x = 1,969,567,145,169.66/1,277,032.20
  6. Step 6: Final answer
    x = 1,542,300.30

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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.