Finding the Fourth Proportional to 1,414,845.76, 1,953,783.99 and 898,765.99
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Solution
The fourth proportional to 1,414,845.76, 1,953,783.99 and 898,765.99 is: 1,241,120.87
Step by Step Solution
- Step 1: Write the proportion equation
1,414,845.76 : 1,953,783.99 = 898,765.99 : x - Step 2: Convert to fraction form
1,414,845.76/1,953,783.99 = 898,765.99/x - Step 3: Cross multiply
1,414,845.76x = 1,953,783.99 × 898,765.99 - Step 4: Simplify right side
1,414,845.76x = 1,755,994,602,018.50 - Step 5: Solve for x
x = 1,755,994,602,018.50/1,414,845.76 - Step 6: Final answer
x = 1,241,120.87
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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.