Finding the Fourth Proportional to 1,202,774.20, 1,802,242.18 and 881,436.94
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Solution
The fourth proportional to 1,202,774.20, 1,802,242.18 and 881,436.94 is: 1,320,749.01
Step by Step Solution
- Step 1: Write the proportion equation
1,202,774.20 : 1,802,242.18 = 881,436.94 : x - Step 2: Convert to fraction form
1,202,774.20/1,802,242.18 = 881,436.94/x - Step 3: Cross multiply
1,202,774.20x = 1,802,242.18 × 881,436.94 - Step 4: Simplify right side
1,202,774.20x = 1,588,562,832,278.13 - Step 5: Solve for x
x = 1,588,562,832,278.13/1,202,774.20 - Step 6: Final answer
x = 1,320,749.01
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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.