Home / 981,117.63-1,353,388.37-617,917.41

Finding the Fourth Proportional to 981,117.63, 1,353,388.37 and 617,917.41

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Solution

The fourth proportional to 981,117.63, 1,353,388.37 and 617,917.41 is: 852,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,117.63 : 1,353,388.37 = 617,917.41 : x
  2. Step 2: Convert to fraction form
    981,117.63/1,353,388.37 = 617,917.41/x
  3. Step 3: Cross multiply
    981,117.63x = 1,353,388.37 × 617,917.41
  4. Step 4: Simplify right side
    981,117.63x = 836,282,233,224.94
  5. Step 5: Solve for x
    x = 836,282,233,224.94/981,117.63
  6. Step 6: Final answer
    x = 852,377.13

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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.