Finding the Fourth Proportional to 1,330,615.26, 1,836,249.84 and 718,768.08
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Solution
The fourth proportional to 1,330,615.26, 1,836,249.84 and 718,768.08 is: 991,900.37
Step by Step Solution
- Step 1: Write the proportion equation
1,330,615.26 : 1,836,249.84 = 718,768.08 : x - Step 2: Convert to fraction form
1,330,615.26/1,836,249.84 = 718,768.08/x - Step 3: Cross multiply
1,330,615.26x = 1,836,249.84 × 718,768.08 - Step 4: Simplify right side
1,330,615.26x = 1,319,837,771,897.11 - Step 5: Solve for x
x = 1,319,837,771,897.11/1,330,615.26 - Step 6: Final answer
x = 991,900.37
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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.