Home / 1,115,153.28-1,672,731.24-305,544.60

Finding the Fourth Proportional to 1,115,153.28, 1,672,731.24 and 305,544.60

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Solution

The fourth proportional to 1,115,153.28, 1,672,731.24 and 305,544.60 is: 458,317.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,153.28 : 1,672,731.24 = 305,544.60 : x
  2. Step 2: Convert to fraction form
    1,115,153.28/1,672,731.24 = 305,544.60/x
  3. Step 3: Cross multiply
    1,115,153.28x = 1,672,731.24 × 305,544.60
  4. Step 4: Simplify right side
    1,115,153.28x = 511,093,997,633.30
  5. Step 5: Solve for x
    x = 511,093,997,633.30/1,115,153.28
  6. Step 6: Final answer
    x = 458,317.26

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1.5x scale

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.