Home / 1,115,311.46-1,672,963.84-316,593.68

Finding the Fourth Proportional to 1,115,311.46, 1,672,963.84 and 316,593.68

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Solution

The fourth proportional to 1,115,311.46, 1,672,963.84 and 316,593.68 is: 474,889.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,311.46 : 1,672,963.84 = 316,593.68 : x
  2. Step 2: Convert to fraction form
    1,115,311.46/1,672,963.84 = 316,593.68/x
  3. Step 3: Cross multiply
    1,115,311.46x = 1,672,963.84 × 316,593.68
  4. Step 4: Simplify right side
    1,115,311.46x = 529,649,778,612.53
  5. Step 5: Solve for x
    x = 529,649,778,612.53/1,115,311.46
  6. Step 6: Final answer
    x = 474,889.57

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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.