Finding the Fourth Proportional to 1,332,620.51, 1,998,329.94 and 658,438.88
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Solution
The fourth proportional to 1,332,620.51, 1,998,329.94 and 658,438.88 is: 987,361.45
Step by Step Solution
- Step 1: Write the proportion equation
1,332,620.51 : 1,998,329.94 = 658,438.88 : x - Step 2: Convert to fraction form
1,332,620.51/1,998,329.94 = 658,438.88/x - Step 3: Cross multiply
1,332,620.51x = 1,998,329.94 × 658,438.88 - Step 4: Simplify right side
1,332,620.51x = 1,315,778,117,572.42 - Step 5: Solve for x
x = 1,315,778,117,572.42/1,332,620.51 - Step 6: Final answer
x = 987,361.45
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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.