Finding the Fourth Proportional to 1,027,893.14, 1,418,471.70 and 569,007.99
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Solution
The fourth proportional to 1,027,893.14, 1,418,471.70 and 569,007.99 is: 785,219.49
Step by Step Solution
- Step 1: Write the proportion equation
1,027,893.14 : 1,418,471.70 = 569,007.99 : x - Step 2: Convert to fraction form
1,027,893.14/1,418,471.70 = 569,007.99/x - Step 3: Cross multiply
1,027,893.14x = 1,418,471.70 × 569,007.99 - Step 4: Simplify right side
1,027,893.14x = 807,121,728,755.10 - Step 5: Solve for x
x = 807,121,728,755.10/1,027,893.14 - Step 6: Final answer
x = 785,219.49
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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.