Finding the Fourth Proportional to 1,276,423.29, 1,761,764.30 and 793,353.26
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Solution
The fourth proportional to 1,276,423.29, 1,761,764.30 and 793,353.26 is: 1,095,014.06
Step by Step Solution
- Step 1: Write the proportion equation
1,276,423.29 : 1,761,764.30 = 793,353.26 : x - Step 2: Convert to fraction form
1,276,423.29/1,761,764.30 = 793,353.26/x - Step 3: Cross multiply
1,276,423.29x = 1,761,764.30 × 793,353.26 - Step 4: Simplify right side
1,276,423.29x = 1,397,701,450,756.62 - Step 5: Solve for x
x = 1,397,701,450,756.62/1,276,423.29 - Step 6: Final answer
x = 1,095,014.06
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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.