Finding the Fourth Proportional to 1,290,771.09, 1,935,495.68 and 758,452.05
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Solution
The fourth proportional to 1,290,771.09, 1,935,495.68 and 758,452.05 is: 1,137,289.70
Step by Step Solution
- Step 1: Write the proportion equation
1,290,771.09 : 1,935,495.68 = 758,452.05 : x - Step 2: Convert to fraction form
1,290,771.09/1,935,495.68 = 758,452.05/x - Step 3: Cross multiply
1,290,771.09x = 1,935,495.68 × 758,452.05 - Step 4: Simplify right side
1,290,771.09x = 1,467,980,662,469.88 - Step 5: Solve for x
x = 1,467,980,662,469.88/1,290,771.09 - Step 6: Final answer
x = 1,137,289.70
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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.