Finding the Fourth Proportional to 1,353,445.31, 1,867,754.95 and 809,604.02
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Solution
The fourth proportional to 1,353,445.31, 1,867,754.95 and 809,604.02 is: 1,117,253.80
Step by Step Solution
- Step 1: Write the proportion equation
1,353,445.31 : 1,867,754.95 = 809,604.02 : x - Step 2: Convert to fraction form
1,353,445.31/1,867,754.95 = 809,604.02/x - Step 3: Cross multiply
1,353,445.31x = 1,867,754.95 × 809,604.02 - Step 4: Simplify right side
1,353,445.31x = 1,512,141,918,540.28 - Step 5: Solve for x
x = 1,512,141,918,540.28/1,353,445.31 - Step 6: Final answer
x = 1,117,253.80
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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.