Home / 1,339,471.67-2,009,224.11-392,861.93

Finding the Fourth Proportional to 1,339,471.67, 2,009,224.11 and 392,861.93

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Solution

The fourth proportional to 1,339,471.67, 2,009,224.11 and 392,861.93 is: 589,297.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,471.67 : 2,009,224.11 = 392,861.93 : x
  2. Step 2: Convert to fraction form
    1,339,471.67/2,009,224.11 = 392,861.93/x
  3. Step 3: Cross multiply
    1,339,471.67x = 2,009,224.11 × 392,861.93
  4. Step 4: Simplify right side
    1,339,471.67x = 789,347,661,657.13
  5. Step 5: Solve for x
    x = 789,347,661,657.13/1,339,471.67
  6. Step 6: Final answer
    x = 589,297.77

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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.