Finding the Fourth Proportional to 1,327,722.99, 1,991,581.44 and 569,072.53
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Solution
The fourth proportional to 1,327,722.99, 1,991,581.44 and 569,072.53 is: 853,607.49
Step by Step Solution
- Step 1: Write the proportion equation
1,327,722.99 : 1,991,581.44 = 569,072.53 : x - Step 2: Convert to fraction form
1,327,722.99/1,991,581.44 = 569,072.53/x - Step 3: Cross multiply
1,327,722.99x = 1,991,581.44 × 569,072.53 - Step 4: Simplify right side
1,327,722.99x = 1,133,354,288,761.84 - Step 5: Solve for x
x = 1,133,354,288,761.84/1,327,722.99 - Step 6: Final answer
x = 853,607.49
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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.