Finding the Fourth Proportional to 1,353,141.05, 1,867,334.48 and 809,276.75
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Solution
The fourth proportional to 1,353,141.05, 1,867,334.48 and 809,276.75 is: 1,116,801.82
Step by Step Solution
- Step 1: Write the proportion equation
1,353,141.05 : 1,867,334.48 = 809,276.75 : x - Step 2: Convert to fraction form
1,353,141.05/1,867,334.48 = 809,276.75/x - Step 3: Cross multiply
1,353,141.05x = 1,867,334.48 × 809,276.75 - Step 4: Simplify right side
1,353,141.05x = 1,511,190,378,826.36 - Step 5: Solve for x
x = 1,511,190,378,826.36/1,353,141.05 - Step 6: Final answer
x = 1,116,801.82
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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.