Finding the Fourth Proportional to 1,353,527.76, 1,867,690.36 and 809,464.80
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Solution
The fourth proportional to 1,353,527.76, 1,867,690.36 and 809,464.80 is: 1,116,955.00
Step by Step Solution
- Step 1: Write the proportion equation
1,353,527.76 : 1,867,690.36 = 809,464.80 : x - Step 2: Convert to fraction form
1,353,527.76/1,867,690.36 = 809,464.80/x - Step 3: Cross multiply
1,353,527.76x = 1,867,690.36 × 809,464.80 - Step 4: Simplify right side
1,353,527.76x = 1,511,829,603,719.33 - Step 5: Solve for x
x = 1,511,829,603,719.33/1,353,527.76 - Step 6: Final answer
x = 1,116,955.00
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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.