Home / 1,821,299.12-2,732,081.32-699,368.12

Finding the Fourth Proportional to 1,821,299.12, 2,732,081.32 and 699,368.12

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Solution

The fourth proportional to 1,821,299.12, 2,732,081.32 and 699,368.12 is: 1,049,103.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,299.12 : 2,732,081.32 = 699,368.12 : x
  2. Step 2: Convert to fraction form
    1,821,299.12/2,732,081.32 = 699,368.12/x
  3. Step 3: Cross multiply
    1,821,299.12x = 2,732,081.32 × 699,368.12
  4. Step 4: Simplify right side
    1,821,299.12x = 1,910,730,576,455.52
  5. Step 5: Solve for x
    x = 1,910,730,576,455.52/1,821,299.12
  6. Step 6: Final answer
    x = 1,049,103.11

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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.