Home / 1,339,471.62-2,009,223.09-392,861.34

Finding the Fourth Proportional to 1,339,471.62, 2,009,223.09 and 392,861.34

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Solution

The fourth proportional to 1,339,471.62, 2,009,223.09 and 392,861.34 is: 589,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,471.62 : 2,009,223.09 = 392,861.34 : x
  2. Step 2: Convert to fraction form
    1,339,471.62/2,009,223.09 = 392,861.34/x
  3. Step 3: Cross multiply
    1,339,471.62x = 2,009,223.09 × 392,861.34
  4. Step 4: Simplify right side
    1,339,471.62x = 789,346,075,496.34
  5. Step 5: Solve for x
    x = 789,346,075,496.34/1,339,471.62
  6. Step 6: Final answer
    x = 589,296.60

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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.