Home / 1,268,904.56-1,903,477.32-459,493.43

Finding the Fourth Proportional to 1,268,904.56, 1,903,477.32 and 459,493.43

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Solution

The fourth proportional to 1,268,904.56, 1,903,477.32 and 459,493.43 is: 689,283.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,904.56 : 1,903,477.32 = 459,493.43 : x
  2. Step 2: Convert to fraction form
    1,268,904.56/1,903,477.32 = 459,493.43/x
  3. Step 3: Cross multiply
    1,268,904.56x = 1,903,477.32 × 459,493.43
  4. Step 4: Simplify right side
    1,268,904.56x = 874,635,313,176.62
  5. Step 5: Solve for x
    x = 874,635,313,176.62/1,268,904.56
  6. Step 6: Final answer
    x = 689,283.77

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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.