Finding the Fourth Proportional to 1,276,422.29, 1,761,762.92 and 793,352.26
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Solution
The fourth proportional to 1,276,422.29, 1,761,762.92 and 793,352.26 is: 1,095,012.68
Step by Step Solution
- Step 1: Write the proportion equation
1,276,422.29 : 1,761,762.92 = 793,352.26 : x - Step 2: Convert to fraction form
1,276,422.29/1,761,762.92 = 793,352.26/x - Step 3: Cross multiply
1,276,422.29x = 1,761,762.92 × 793,352.26 - Step 4: Simplify right side
1,276,422.29x = 1,397,698,594,166.20 - Step 5: Solve for x
x = 1,397,698,594,166.20/1,276,422.29 - Step 6: Final answer
x = 1,095,012.68
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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.