Finding the Fourth Proportional to 1,079,273.91, 1,618,628.99 and 320,911.17
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Solution
The fourth proportional to 1,079,273.91, 1,618,628.99 and 320,911.17 is: 481,282.94
Step by Step Solution
- Step 1: Write the proportion equation
1,079,273.91 : 1,618,628.99 = 320,911.17 : x - Step 2: Convert to fraction form
1,079,273.91/1,618,628.99 = 320,911.17/x - Step 3: Cross multiply
1,079,273.91x = 1,618,628.99 × 320,911.17 - Step 4: Simplify right side
1,079,273.91x = 519,436,121,372.26 - Step 5: Solve for x
x = 519,436,121,372.26/1,079,273.91 - Step 6: Final answer
x = 481,282.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.