Finding the Fourth Proportional to 1,327,721.99, 1,991,579.94 and 569,071.53
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Solution
The fourth proportional to 1,327,721.99, 1,991,579.94 and 569,071.53 is: 853,605.99
Step by Step Solution
- Step 1: Write the proportion equation
1,327,721.99 : 1,991,579.94 = 569,071.53 : x - Step 2: Convert to fraction form
1,327,721.99/1,991,579.94 = 569,071.53/x - Step 3: Cross multiply
1,327,721.99x = 1,991,579.94 × 569,071.53 - Step 4: Simplify right side
1,327,721.99x = 1,133,351,443,573.11 - Step 5: Solve for x
x = 1,133,351,443,573.11/1,327,721.99 - Step 6: Final answer
x = 853,605.99
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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.