Finding the Fourth Proportional to 1,115,755.50, 1,539,736.83 and 606,460.62
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Solution
The fourth proportional to 1,115,755.50, 1,539,736.83 and 606,460.62 is: 836,912.52
Step by Step Solution
- Step 1: Write the proportion equation
1,115,755.50 : 1,539,736.83 = 606,460.62 : x - Step 2: Convert to fraction form
1,115,755.50/1,539,736.83 = 606,460.62/x - Step 3: Cross multiply
1,115,755.50x = 1,539,736.83 × 606,460.62 - Step 4: Simplify right side
1,115,755.50x = 933,789,752,558.64 - Step 5: Solve for x
x = 933,789,752,558.64/1,115,755.50 - Step 6: Final answer
x = 836,912.52
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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.