Home / 1,076,954.53-1,615,448.66-318,872.90

Finding the Fourth Proportional to 1,076,954.53, 1,615,448.66 and 318,872.90

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Solution

The fourth proportional to 1,076,954.53, 1,615,448.66 and 318,872.90 is: 478,314.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,954.53 : 1,615,448.66 = 318,872.90 : x
  2. Step 2: Convert to fraction form
    1,076,954.53/1,615,448.66 = 318,872.90/x
  3. Step 3: Cross multiply
    1,076,954.53x = 1,615,448.66 × 318,872.90
  4. Step 4: Simplify right side
    1,076,954.53x = 515,122,799,015.31
  5. Step 5: Solve for x
    x = 515,122,799,015.31/1,076,954.53
  6. Step 6: Final answer
    x = 478,314.34

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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.