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Finding the Fourth Proportional to 1,180,664, 1,770,996 and 392,696

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Solution

The fourth proportional to 1,180,664, 1,770,996 and 392,696 is: 589,044

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,664 : 1,770,996 = 392,696 : x
  2. Step 2: Convert to fraction form
    1,180,664/1,770,996 = 392,696/x
  3. Step 3: Cross multiply
    1,180,664x = 1,770,996 × 392,696
  4. Step 4: Simplify right side
    1,180,664x = 695,463,045,216
  5. Step 5: Solve for x
    x = 695,463,045,216/1,180,664
  6. Step 6: Final answer
    x = 589,044

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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.