Home / 1,225,286.15-1,834,167.16-1,109,812.55

Finding the Fourth Proportional to 1,225,286.15, 1,834,167.16 and 1,109,812.55

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Solution

The fourth proportional to 1,225,286.15, 1,834,167.16 and 1,109,812.55 is: 1,661,311.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,286.15 : 1,834,167.16 = 1,109,812.55 : x
  2. Step 2: Convert to fraction form
    1,225,286.15/1,834,167.16 = 1,109,812.55/x
  3. Step 3: Cross multiply
    1,225,286.15x = 1,834,167.16 × 1,109,812.55
  4. Step 4: Simplify right side
    1,225,286.15x = 2,035,581,732,965.86
  5. Step 5: Solve for x
    x = 2,035,581,732,965.86/1,225,286.15
  6. Step 6: Final answer
    x = 1,661,311.31

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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.