Home / 1,213,435.02-1,820,180.64-314,912.16

Finding the Fourth Proportional to 1,213,435.02, 1,820,180.64 and 314,912.16

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Solution

The fourth proportional to 1,213,435.02, 1,820,180.64 and 314,912.16 is: 472,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,435.02 : 1,820,180.64 = 314,912.16 : x
  2. Step 2: Convert to fraction form
    1,213,435.02/1,820,180.64 = 314,912.16/x
  3. Step 3: Cross multiply
    1,213,435.02x = 1,820,180.64 × 314,912.16
  4. Step 4: Simplify right side
    1,213,435.02x = 573,197,016,932.58
  5. Step 5: Solve for x
    x = 573,197,016,932.58/1,213,435.02
  6. Step 6: Final answer
    x = 472,375.54

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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.