Finding the Fourth Proportional to 1,403,231.96, 1,936,464.78 and 758,656.73
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Solution
The fourth proportional to 1,403,231.96, 1,936,464.78 and 758,656.73 is: 1,046,948.81
Step by Step Solution
- Step 1: Write the proportion equation
1,403,231.96 : 1,936,464.78 = 758,656.73 : x - Step 2: Convert to fraction form
1,403,231.96/1,936,464.78 = 758,656.73/x - Step 3: Cross multiply
1,403,231.96x = 1,936,464.78 × 758,656.73 - Step 4: Simplify right side
1,403,231.96x = 1,469,112,028,072.65 - Step 5: Solve for x
x = 1,469,112,028,072.65/1,403,231.96 - Step 6: Final answer
x = 1,046,948.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.