Home / 1,339,435.03-2,009,429.34-440,930.68

Finding the Fourth Proportional to 1,339,435.03, 2,009,429.34 and 440,930.68

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Solution

The fourth proportional to 1,339,435.03, 2,009,429.34 and 440,930.68 is: 661,487.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,435.03 : 2,009,429.34 = 440,930.68 : x
  2. Step 2: Convert to fraction form
    1,339,435.03/2,009,429.34 = 440,930.68/x
  3. Step 3: Cross multiply
    1,339,435.03x = 2,009,429.34 × 440,930.68
  4. Step 4: Simplify right side
    1,339,435.03x = 886,019,040,274.58
  5. Step 5: Solve for x
    x = 886,019,040,274.58/1,339,435.03
  6. Step 6: Final answer
    x = 661,487.14

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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.