Finding the Fourth Proportional to 1,268,161.52, 1,902,475.49 and 415,280.66
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Solution
The fourth proportional to 1,268,161.52, 1,902,475.49 and 415,280.66 is: 622,997.35
Step by Step Solution
- Step 1: Write the proportion equation
1,268,161.52 : 1,902,475.49 = 415,280.66 : x - Step 2: Convert to fraction form
1,268,161.52/1,902,475.49 = 415,280.66/x - Step 3: Cross multiply
1,268,161.52x = 1,902,475.49 × 415,280.66 - Step 4: Simplify right side
1,268,161.52x = 790,061,265,532.24 - Step 5: Solve for x
x = 790,061,265,532.24/1,268,161.52 - Step 6: Final answer
x = 622,997.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.