Home / 1,331,262.94-1,998,665.90-700,619.62

Finding the Fourth Proportional to 1,331,262.94, 1,998,665.90 and 700,619.62

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Solution

The fourth proportional to 1,331,262.94, 1,998,665.90 and 700,619.62 is: 1,051,861.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,262.94 : 1,998,665.90 = 700,619.62 : x
  2. Step 2: Convert to fraction form
    1,331,262.94/1,998,665.90 = 700,619.62/x
  3. Step 3: Cross multiply
    1,331,262.94x = 1,998,665.90 × 700,619.62
  4. Step 4: Simplify right side
    1,331,262.94x = 1,400,304,543,364.96
  5. Step 5: Solve for x
    x = 1,400,304,543,364.96/1,331,262.94
  6. Step 6: Final answer
    x = 1,051,861.73

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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.