Finding the Fourth Proportional to 1,353,204.28, 1,867,421.26 and 809,340.06
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Solution
The fourth proportional to 1,353,204.28, 1,867,421.26 and 809,340.06 is: 1,116,888.90
Step by Step Solution
- Step 1: Write the proportion equation
1,353,204.28 : 1,867,421.26 = 809,340.06 : x - Step 2: Convert to fraction form
1,353,204.28/1,867,421.26 = 809,340.06/x - Step 3: Cross multiply
1,353,204.28x = 1,867,421.26 × 809,340.06 - Step 4: Simplify right side
1,353,204.28x = 1,511,378,834,613.68 - Step 5: Solve for x
x = 1,511,378,834,613.68/1,353,204.28 - Step 6: Final answer
x = 1,116,888.90
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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.