Finding the Fourth Proportional to 1,206,280.68, 1,809,421.70 and 757,316.87
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Solution
The fourth proportional to 1,206,280.68, 1,809,421.70 and 757,316.87 is: 1,135,975.73
Step by Step Solution
- Step 1: Write the proportion equation
1,206,280.68 : 1,809,421.70 = 757,316.87 : x - Step 2: Convert to fraction form
1,206,280.68/1,809,421.70 = 757,316.87/x - Step 3: Cross multiply
1,206,280.68x = 1,809,421.70 × 757,316.87 - Step 4: Simplify right side
1,206,280.68x = 1,370,305,579,091.05 - Step 5: Solve for x
x = 1,370,305,579,091.05/1,206,280.68 - Step 6: Final answer
x = 1,135,975.73
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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.