Home / 1,112,629.28-1,669,074.24-354,205.12

Finding the Fourth Proportional to 1,112,629.28, 1,669,074.24 and 354,205.12

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Solution

The fourth proportional to 1,112,629.28, 1,669,074.24 and 354,205.12 is: 531,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,629.28 : 1,669,074.24 = 354,205.12 : x
  2. Step 2: Convert to fraction form
    1,112,629.28/1,669,074.24 = 354,205.12/x
  3. Step 3: Cross multiply
    1,112,629.28x = 1,669,074.24 × 354,205.12
  4. Step 4: Simplify right side
    1,112,629.28x = 591,194,641,468.11
  5. Step 5: Solve for x
    x = 591,194,641,468.11/1,112,629.28
  6. Step 6: Final answer
    x = 531,349.17

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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.