Finding the Fourth Proportional to 1,438,597.29, 1,985,122.92 and 793,975.97
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Solution
The fourth proportional to 1,438,597.29, 1,985,122.92 and 793,975.97 is: 1,095,608.83
Step by Step Solution
- Step 1: Write the proportion equation
1,438,597.29 : 1,985,122.92 = 793,975.97 : x - Step 2: Convert to fraction form
1,438,597.29/1,985,122.92 = 793,975.97/x - Step 3: Cross multiply
1,438,597.29x = 1,985,122.92 × 793,975.97 - Step 4: Simplify right side
1,438,597.29x = 1,576,139,895,976.23 - Step 5: Solve for x
x = 1,576,139,895,976.23/1,438,597.29 - Step 6: Final answer
x = 1,095,608.83
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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.