Finding the Fourth Proportional to 1,353,115.22, 1,867,298.88 and 809,250.99
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Solution
The fourth proportional to 1,353,115.22, 1,867,298.88 and 809,250.99 is: 1,116,766.29
Step by Step Solution
- Step 1: Write the proportion equation
1,353,115.22 : 1,867,298.88 = 809,250.99 : x - Step 2: Convert to fraction form
1,353,115.22/1,867,298.88 = 809,250.99/x - Step 3: Cross multiply
1,353,115.22x = 1,867,298.88 × 809,250.99 - Step 4: Simplify right side
1,353,115.22x = 1,511,113,463,298.21 - Step 5: Solve for x
x = 1,511,113,463,298.21/1,353,115.22 - Step 6: Final answer
x = 1,116,766.29
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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.