Finding the Fourth Proportional to 1,083,936.29, 1,493,423.37 and 715,759.63
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Solution
The fourth proportional to 1,083,936.29, 1,493,423.37 and 715,759.63 is: 986,157.74
Step by Step Solution
- Step 1: Write the proportion equation
1,083,936.29 : 1,493,423.37 = 715,759.63 : x - Step 2: Convert to fraction form
1,083,936.29/1,493,423.37 = 715,759.63/x - Step 3: Cross multiply
1,083,936.29x = 1,493,423.37 × 715,759.63 - Step 4: Simplify right side
1,083,936.29x = 1,068,932,158,744.55 - Step 5: Solve for x
x = 1,068,932,158,744.55/1,083,936.29 - Step 6: Final answer
x = 986,157.74
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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.