Finding the Fourth Proportional to 1,260,082.20, 1,739,684.34 and 777,307.08
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Solution
The fourth proportional to 1,260,082.20, 1,739,684.34 and 777,307.08 is: 1,073,159.32
Step by Step Solution
- Step 1: Write the proportion equation
1,260,082.20 : 1,739,684.34 = 777,307.08 : x - Step 2: Convert to fraction form
1,260,082.20/1,739,684.34 = 777,307.08/x - Step 3: Cross multiply
1,260,082.20x = 1,739,684.34 × 777,307.08 - Step 4: Simplify right side
1,260,082.20x = 1,352,268,954,447.13 - Step 5: Solve for x
x = 1,352,268,954,447.13/1,260,082.20 - Step 6: Final answer
x = 1,073,159.32
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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.