Home / 1,447,163.08-1,997,207.73-802,790.89

Finding the Fourth Proportional to 1,447,163.08, 1,997,207.73 and 802,790.89

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Solution

The fourth proportional to 1,447,163.08, 1,997,207.73 and 802,790.89 is: 1,107,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,163.08 : 1,997,207.73 = 802,790.89 : x
  2. Step 2: Convert to fraction form
    1,447,163.08/1,997,207.73 = 802,790.89/x
  3. Step 3: Cross multiply
    1,447,163.08x = 1,997,207.73 × 802,790.89
  4. Step 4: Simplify right side
    1,447,163.08x = 1,603,340,171,081.58
  5. Step 5: Solve for x
    x = 1,603,340,171,081.58/1,447,163.08
  6. Step 6: Final answer
    x = 1,107,919.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.