Finding the Fourth Proportional to 1,205,211.39, 1,807,922.16 and 395,352.99
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Solution
The fourth proportional to 1,205,211.39, 1,807,922.16 and 395,352.99 is: 593,063.95
Step by Step Solution
- Step 1: Write the proportion equation
1,205,211.39 : 1,807,922.16 = 395,352.99 : x - Step 2: Convert to fraction form
1,205,211.39/1,807,922.16 = 395,352.99/x - Step 3: Cross multiply
1,205,211.39x = 1,807,922.16 × 395,352.99 - Step 4: Simplify right side
1,205,211.39x = 714,767,430,768.78 - Step 5: Solve for x
x = 714,767,430,768.78/1,205,211.39 - Step 6: Final answer
x = 593,063.95
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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.