Home / 1,311,268.92-1,967,253.42-469,905.72

Finding the Fourth Proportional to 1,311,268.92, 1,967,253.42 and 469,905.72

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Solution

The fourth proportional to 1,311,268.92, 1,967,253.42 and 469,905.72 is: 704,984.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,268.92 : 1,967,253.42 = 469,905.72 : x
  2. Step 2: Convert to fraction form
    1,311,268.92/1,967,253.42 = 469,905.72/x
  3. Step 3: Cross multiply
    1,311,268.92x = 1,967,253.42 × 469,905.72
  4. Step 4: Simplify right side
    1,311,268.92x = 924,423,634,747.56
  5. Step 5: Solve for x
    x = 924,423,634,747.56/1,311,268.92
  6. Step 6: Final answer
    x = 704,984.02

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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.