Finding the Fourth Proportional to 1,330,264.20, 1,995,396.30 and 798,385.80
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Solution
The fourth proportional to 1,330,264.20, 1,995,396.30 and 798,385.80 is: 1,197,578.70
Step by Step Solution
- Step 1: Write the proportion equation
1,330,264.20 : 1,995,396.30 = 798,385.80 : x - Step 2: Convert to fraction form
1,330,264.20/1,995,396.30 = 798,385.80/x - Step 3: Cross multiply
1,330,264.20x = 1,995,396.30 × 798,385.80 - Step 4: Simplify right side
1,330,264.20x = 1,593,096,071,292.54 - Step 5: Solve for x
x = 1,593,096,071,292.54/1,330,264.20 - Step 6: Final answer
x = 1,197,578.70
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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.