Home / 1,322,974.50-1,984,353.96-424,174.20

Finding the Fourth Proportional to 1,322,974.50, 1,984,353.96 and 424,174.20

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Solution

The fourth proportional to 1,322,974.50, 1,984,353.96 and 424,174.20 is: 636,226.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,974.50 : 1,984,353.96 = 424,174.20 : x
  2. Step 2: Convert to fraction form
    1,322,974.50/1,984,353.96 = 424,174.20/x
  3. Step 3: Cross multiply
    1,322,974.50x = 1,984,353.96 × 424,174.20
  4. Step 4: Simplify right side
    1,322,974.50x = 841,711,753,499.83
  5. Step 5: Solve for x
    x = 841,711,753,499.83/1,322,974.50
  6. Step 6: Final answer
    x = 636,226.74

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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.