Home / 1,685,988.82-2,529,813.61-787,299.95

Finding the Fourth Proportional to 1,685,988.82, 2,529,813.61 and 787,299.95

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Solution

The fourth proportional to 1,685,988.82, 2,529,813.61 and 787,299.95 is: 1,181,337.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,988.82 : 2,529,813.61 = 787,299.95 : x
  2. Step 2: Convert to fraction form
    1,685,988.82/2,529,813.61 = 787,299.95/x
  3. Step 3: Cross multiply
    1,685,988.82x = 2,529,813.61 × 787,299.95
  4. Step 4: Simplify right side
    1,685,988.82x = 1,991,722,112,076.75
  5. Step 5: Solve for x
    x = 1,991,722,112,076.75/1,685,988.82
  6. Step 6: Final answer
    x = 1,181,337.67

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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.