Finding the Fourth Proportional to 1,428,986.37, 1,971,927.75 and 848,233.99
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Solution
The fourth proportional to 1,428,986.37, 1,971,927.75 and 848,233.99 is: 1,170,519.31
Step by Step Solution
- Step 1: Write the proportion equation
1,428,986.37 : 1,971,927.75 = 848,233.99 : x - Step 2: Convert to fraction form
1,428,986.37/1,971,927.75 = 848,233.99/x - Step 3: Cross multiply
1,428,986.37x = 1,971,927.75 × 848,233.99 - Step 4: Simplify right side
1,428,986.37x = 1,672,656,143,374.22 - Step 5: Solve for x
x = 1,672,656,143,374.22/1,428,986.37 - Step 6: Final answer
x = 1,170,519.31
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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.