Finding the Fourth Proportional to 1,282,422.42, 1,769,589.09 and 738,736.02
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Solution
The fourth proportional to 1,282,422.42, 1,769,589.09 and 738,736.02 is: 1,019,367.08
Step by Step Solution
- Step 1: Write the proportion equation
1,282,422.42 : 1,769,589.09 = 738,736.02 : x - Step 2: Convert to fraction form
1,282,422.42/1,769,589.09 = 738,736.02/x - Step 3: Cross multiply
1,282,422.42x = 1,769,589.09 × 738,736.02 - Step 4: Simplify right side
1,282,422.42x = 1,307,259,201,382.02 - Step 5: Solve for x
x = 1,307,259,201,382.02/1,282,422.42 - Step 6: Final answer
x = 1,019,367.08
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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.