Finding the Fourth Proportional to 1,330,343.70, 1,994,203.35 and 655,872.90
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Solution
The fourth proportional to 1,330,343.70, 1,994,203.35 and 655,872.90 is: 983,162.42
Step by Step Solution
- Step 1: Write the proportion equation
1,330,343.70 : 1,994,203.35 = 655,872.90 : x - Step 2: Convert to fraction form
1,330,343.70/1,994,203.35 = 655,872.90/x - Step 3: Cross multiply
1,330,343.70x = 1,994,203.35 × 655,872.90 - Step 4: Simplify right side
1,330,343.70x = 1,307,943,934,354.22 - Step 5: Solve for x
x = 1,307,943,934,354.22/1,330,343.70 - Step 6: Final answer
x = 983,162.42
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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.