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Finding the Fourth Proportional to 1,856,064, 2,784,096 and 455,232

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Solution

The fourth proportional to 1,856,064, 2,784,096 and 455,232 is: 682,848

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,064 : 2,784,096 = 455,232 : x
  2. Step 2: Convert to fraction form
    1,856,064/2,784,096 = 455,232/x
  3. Step 3: Cross multiply
    1,856,064x = 2,784,096 × 455,232
  4. Step 4: Simplify right side
    1,856,064x = 1,267,409,590,272
  5. Step 5: Solve for x
    x = 1,267,409,590,272/1,856,064
  6. Step 6: Final answer
    x = 682,848

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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.