Home / 1,435,400.07-1,981,138.92-823,966.17

Finding the Fourth Proportional to 1,435,400.07, 1,981,138.92 and 823,966.17

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Solution

The fourth proportional to 1,435,400.07, 1,981,138.92 and 823,966.17 is: 1,137,237.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,400.07 : 1,981,138.92 = 823,966.17 : x
  2. Step 2: Convert to fraction form
    1,435,400.07/1,981,138.92 = 823,966.17/x
  3. Step 3: Cross multiply
    1,435,400.07x = 1,981,138.92 × 823,966.17
  4. Step 4: Simplify right side
    1,435,400.07x = 1,632,391,448,150.34
  5. Step 5: Solve for x
    x = 1,632,391,448,150.34/1,435,400.07
  6. Step 6: Final answer
    x = 1,137,237.96

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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.