Home / 1,085,155.35-1,497,208.97-854,999.12

Finding the Fourth Proportional to 1,085,155.35, 1,497,208.97 and 854,999.12

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Solution

The fourth proportional to 1,085,155.35, 1,497,208.97 and 854,999.12 is: 1,179,658.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,155.35 : 1,497,208.97 = 854,999.12 : x
  2. Step 2: Convert to fraction form
    1,085,155.35/1,497,208.97 = 854,999.12/x
  3. Step 3: Cross multiply
    1,085,155.35x = 1,497,208.97 × 854,999.12
  4. Step 4: Simplify right side
    1,085,155.35x = 1,280,112,340,045.07
  5. Step 5: Solve for x
    x = 1,280,112,340,045.07/1,085,155.35
  6. Step 6: Final answer
    x = 1,179,658.14

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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.