Home / 1,294,964.60-1,942,446.90-1,286,670.20

Finding the Fourth Proportional to 1,294,964.60, 1,942,446.90 and 1,286,670.20

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Solution

The fourth proportional to 1,294,964.60, 1,942,446.90 and 1,286,670.20 is: 1,930,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,964.60 : 1,942,446.90 = 1,286,670.20 : x
  2. Step 2: Convert to fraction form
    1,294,964.60/1,942,446.90 = 1,286,670.20/x
  3. Step 3: Cross multiply
    1,294,964.60x = 1,942,446.90 × 1,286,670.20
  4. Step 4: Simplify right side
    1,294,964.60x = 2,499,288,541,312.38
  5. Step 5: Solve for x
    x = 2,499,288,541,312.38/1,294,964.60
  6. Step 6: Final answer
    x = 1,930,005.30

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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.