Home / 1,099,361.64-1,648,999.32-459,500.12

Finding the Fourth Proportional to 1,099,361.64, 1,648,999.32 and 459,500.12

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Solution

The fourth proportional to 1,099,361.64, 1,648,999.32 and 459,500.12 is: 689,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,361.64 : 1,648,999.32 = 459,500.12 : x
  2. Step 2: Convert to fraction form
    1,099,361.64/1,648,999.32 = 459,500.12/x
  3. Step 3: Cross multiply
    1,099,361.64x = 1,648,999.32 × 459,500.12
  4. Step 4: Simplify right side
    1,099,361.64x = 757,715,385,419.92
  5. Step 5: Solve for x
    x = 757,715,385,419.92/1,099,361.64
  6. Step 6: Final answer
    x = 689,232.15

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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.