Home / 1,339,945.62-2,008,788-581,215.86

Finding the Fourth Proportional to 1,339,945.62, 2,008,788 and 581,215.86

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Solution

The fourth proportional to 1,339,945.62, 2,008,788 and 581,215.86 is: 871,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,945.62 : 2,008,788 = 581,215.86 : x
  2. Step 2: Convert to fraction form
    1,339,945.62/2,008,788 = 581,215.86/x
  3. Step 3: Cross multiply
    1,339,945.62x = 2,008,788 × 581,215.86
  4. Step 4: Simplify right side
    1,339,945.62x = 1,167,539,444,977.68
  5. Step 5: Solve for x
    x = 1,167,539,444,977.68/1,339,945.62
  6. Step 6: Final answer
    x = 871,333.45

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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.