Finding the Fourth Proportional to 1,330,602.58, 1,836,232.32 and 718,755.34
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Solution
The fourth proportional to 1,330,602.58, 1,836,232.32 and 718,755.34 is: 991,882.78
Step by Step Solution
- Step 1: Write the proportion equation
1,330,602.58 : 1,836,232.32 = 718,755.34 : x - Step 2: Convert to fraction form
1,330,602.58/1,836,232.32 = 718,755.34/x - Step 3: Cross multiply
1,330,602.58x = 1,836,232.32 × 718,755.34 - Step 4: Simplify right side
1,330,602.58x = 1,319,801,785,480.59 - Step 5: Solve for x
x = 1,319,801,785,480.59/1,330,602.58 - Step 6: Final answer
x = 991,882.78
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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.