Finding the Fourth Proportional to 1,328,534.10, 1,992,801.15 and 796,655.70
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Solution
The fourth proportional to 1,328,534.10, 1,992,801.15 and 796,655.70 is: 1,194,983.55
Step by Step Solution
- Step 1: Write the proportion equation
1,328,534.10 : 1,992,801.15 = 796,655.70 : x - Step 2: Convert to fraction form
1,328,534.10/1,992,801.15 = 796,655.70/x - Step 3: Cross multiply
1,328,534.10x = 1,992,801.15 × 796,655.70 - Step 4: Simplify right side
1,328,534.10x = 1,587,576,395,114.06 - Step 5: Solve for x
x = 1,587,576,395,114.06/1,328,534.10 - Step 6: Final answer
x = 1,194,983.55
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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.