Finding the Fourth Proportional to 1,269,099.87, 1,902,703.05 and 763,542.39
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Solution
The fourth proportional to 1,269,099.87, 1,902,703.05 and 763,542.39 is: 1,144,743.98
Step by Step Solution
- Step 1: Write the proportion equation
1,269,099.87 : 1,902,703.05 = 763,542.39 : x - Step 2: Convert to fraction form
1,269,099.87/1,902,703.05 = 763,542.39/x - Step 3: Cross multiply
1,269,099.87x = 1,902,703.05 × 763,542.39 - Step 4: Simplify right side
1,269,099.87x = 1,452,794,434,257.29 - Step 5: Solve for x
x = 1,452,794,434,257.29/1,269,099.87 - Step 6: Final answer
x = 1,144,743.98
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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.