Finding the Fourth Proportional to 1,161,572.73, 1,738,628.37 and 620,475.99
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Solution
The fourth proportional to 1,161,572.73, 1,738,628.37 and 620,475.99 is: 928,721.15
Step by Step Solution
- Step 1: Write the proportion equation
1,161,572.73 : 1,738,628.37 = 620,475.99 : x - Step 2: Convert to fraction form
1,161,572.73/1,738,628.37 = 620,475.99/x - Step 3: Cross multiply
1,161,572.73x = 1,738,628.37 × 620,475.99 - Step 4: Simplify right side
1,161,572.73x = 1,078,777,159,117.84 - Step 5: Solve for x
x = 1,078,777,159,117.84/1,161,572.73 - Step 6: Final answer
x = 928,721.15
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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.