Home / 1,028,512.20-1,542,768.30-429,468.60

Finding the Fourth Proportional to 1,028,512.20, 1,542,768.30 and 429,468.60

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Solution

The fourth proportional to 1,028,512.20, 1,542,768.30 and 429,468.60 is: 644,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,512.20 : 1,542,768.30 = 429,468.60 : x
  2. Step 2: Convert to fraction form
    1,028,512.20/1,542,768.30 = 429,468.60/x
  3. Step 3: Cross multiply
    1,028,512.20x = 1,542,768.30 × 429,468.60
  4. Step 4: Simplify right side
    1,028,512.20x = 662,570,541,925.38
  5. Step 5: Solve for x
    x = 662,570,541,925.38/1,028,512.20
  6. Step 6: Final answer
    x = 644,202.90

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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.