Home / 1,213,118.33-1,816,083.25-898,985.21

Finding the Fourth Proportional to 1,213,118.33, 1,816,083.25 and 898,985.21

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Solution

The fourth proportional to 1,213,118.33, 1,816,083.25 and 898,985.21 is: 1,345,814.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,118.33 : 1,816,083.25 = 898,985.21 : x
  2. Step 2: Convert to fraction form
    1,213,118.33/1,816,083.25 = 898,985.21/x
  3. Step 3: Cross multiply
    1,213,118.33x = 1,816,083.25 × 898,985.21
  4. Step 4: Simplify right side
    1,213,118.33x = 1,632,631,970,550.85
  5. Step 5: Solve for x
    x = 1,632,631,970,550.85/1,213,118.33
  6. Step 6: Final answer
    x = 1,345,814.28

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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.