Home / 1,206,008.70-1,809,013.05-732,839.10

Finding the Fourth Proportional to 1,206,008.70, 1,809,013.05 and 732,839.10

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Solution

The fourth proportional to 1,206,008.70, 1,809,013.05 and 732,839.10 is: 1,099,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,008.70 : 1,809,013.05 = 732,839.10 : x
  2. Step 2: Convert to fraction form
    1,206,008.70/1,809,013.05 = 732,839.10/x
  3. Step 3: Cross multiply
    1,206,008.70x = 1,809,013.05 × 732,839.10
  4. Step 4: Simplify right side
    1,206,008.70x = 1,325,715,495,450.25
  5. Step 5: Solve for x
    x = 1,325,715,495,450.25/1,206,008.70
  6. Step 6: Final answer
    x = 1,099,258.65

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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.