Finding the Fourth Proportional to 1,235,759.80, 1,850,529.30 and 812,745.40
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Solution
The fourth proportional to 1,235,759.80, 1,850,529.30 and 812,745.40 is: 1,217,072.42
Step by Step Solution
- Step 1: Write the proportion equation
1,235,759.80 : 1,850,529.30 = 812,745.40 : x - Step 2: Convert to fraction form
1,235,759.80/1,850,529.30 = 812,745.40/x - Step 3: Cross multiply
1,235,759.80x = 1,850,529.30 × 812,745.40 - Step 4: Simplify right side
1,235,759.80x = 1,504,009,176,140.22 - Step 5: Solve for x
x = 1,504,009,176,140.22/1,235,759.80 - Step 6: Final answer
x = 1,217,072.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.