Finding the Fourth Proportional to 1,202,782.26, 1,659,210.18 and 743,750.10
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Solution
The fourth proportional to 1,202,782.26, 1,659,210.18 and 743,750.10 is: 1,025,985.98
Step by Step Solution
- Step 1: Write the proportion equation
1,202,782.26 : 1,659,210.18 = 743,750.10 : x - Step 2: Convert to fraction form
1,202,782.26/1,659,210.18 = 743,750.10/x - Step 3: Cross multiply
1,202,782.26x = 1,659,210.18 × 743,750.10 - Step 4: Simplify right side
1,202,782.26x = 1,234,037,737,296.02 - Step 5: Solve for x
x = 1,234,037,737,296.02/1,202,782.26 - Step 6: Final answer
x = 1,025,985.98
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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.