Finding the Fourth Proportional to 1,163,325.16, 1,743,205.34 and 782,838.20
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Solution
The fourth proportional to 1,163,325.16, 1,743,205.34 and 782,838.20 is: 1,173,057.87
Step by Step Solution
- Step 1: Write the proportion equation
1,163,325.16 : 1,743,205.34 = 782,838.20 : x - Step 2: Convert to fraction form
1,163,325.16/1,743,205.34 = 782,838.20/x - Step 3: Cross multiply
1,163,325.16x = 1,743,205.34 × 782,838.20 - Step 4: Simplify right side
1,163,325.16x = 1,364,647,730,595.99 - Step 5: Solve for x
x = 1,364,647,730,595.99/1,163,325.16 - Step 6: Final answer
x = 1,173,057.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.