Finding the Fourth Proportional to 1,330,367.70, 1,995,551.55 and 798,489.30
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Solution
The fourth proportional to 1,330,367.70, 1,995,551.55 and 798,489.30 is: 1,197,733.95
Step by Step Solution
- Step 1: Write the proportion equation
1,330,367.70 : 1,995,551.55 = 798,489.30 : x - Step 2: Convert to fraction form
1,330,367.70/1,995,551.55 = 798,489.30/x - Step 3: Cross multiply
1,330,367.70x = 1,995,551.55 × 798,489.30 - Step 4: Simplify right side
1,330,367.70x = 1,593,426,560,273.42 - Step 5: Solve for x
x = 1,593,426,560,273.42/1,330,367.70 - Step 6: Final answer
x = 1,197,733.95
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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.