Home / 1,988,064-2,982,096-492,156

Finding the Fourth Proportional to 1,988,064, 2,982,096 and 492,156

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Solution

The fourth proportional to 1,988,064, 2,982,096 and 492,156 is: 738,234

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,064 : 2,982,096 = 492,156 : x
  2. Step 2: Convert to fraction form
    1,988,064/2,982,096 = 492,156/x
  3. Step 3: Cross multiply
    1,988,064x = 2,982,096 × 492,156
  4. Step 4: Simplify right side
    1,988,064x = 1,467,656,438,976
  5. Step 5: Solve for x
    x = 1,467,656,438,976/1,988,064
  6. Step 6: Final answer
    x = 738,234

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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.