Home / 1,273,425.27-1,910,374.16-420,556.02

Finding the Fourth Proportional to 1,273,425.27, 1,910,374.16 and 420,556.02

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Solution

The fourth proportional to 1,273,425.27, 1,910,374.16 and 420,556.02 is: 630,912.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,425.27 : 1,910,374.16 = 420,556.02 : x
  2. Step 2: Convert to fraction form
    1,273,425.27/1,910,374.16 = 420,556.02/x
  3. Step 3: Cross multiply
    1,273,425.27x = 1,910,374.16 × 420,556.02
  4. Step 4: Simplify right side
    1,273,425.27x = 803,419,351,337.66
  5. Step 5: Solve for x
    x = 803,419,351,337.66/1,273,425.27
  6. Step 6: Final answer
    x = 630,912.05

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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.