Home / 1,243,617.39-1,865,419.20-1,074,623.85

Finding the Fourth Proportional to 1,243,617.39, 1,865,419.20 and 1,074,623.85

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Solution

The fourth proportional to 1,243,617.39, 1,865,419.20 and 1,074,623.85 is: 1,611,929.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,617.39 : 1,865,419.20 = 1,074,623.85 : x
  2. Step 2: Convert to fraction form
    1,243,617.39/1,865,419.20 = 1,074,623.85/x
  3. Step 3: Cross multiply
    1,243,617.39x = 1,865,419.20 × 1,074,623.85
  4. Step 4: Simplify right side
    1,243,617.39x = 2,004,623,962,567.92
  5. Step 5: Solve for x
    x = 2,004,623,962,567.92/1,243,617.39
  6. Step 6: Final answer
    x = 1,611,929.83

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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.