Home / 1,435,542.37-1,981,093.34-823,807.03

Finding the Fourth Proportional to 1,435,542.37, 1,981,093.34 and 823,807.03

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Solution

The fourth proportional to 1,435,542.37, 1,981,093.34 and 823,807.03 is: 1,136,879.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,542.37 : 1,981,093.34 = 823,807.03 : x
  2. Step 2: Convert to fraction form
    1,435,542.37/1,981,093.34 = 823,807.03/x
  3. Step 3: Cross multiply
    1,435,542.37x = 1,981,093.34 × 823,807.03
  4. Step 4: Simplify right side
    1,435,542.37x = 1,632,038,626,971.34
  5. Step 5: Solve for x
    x = 1,632,038,626,971.34/1,435,542.37
  6. Step 6: Final answer
    x = 1,136,879.45

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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.