Finding the Fourth Proportional to 1,202,733.90, 1,659,774.74 and 658,857.75
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Solution
The fourth proportional to 1,202,733.90, 1,659,774.74 and 658,857.75 is: 909,224.76
Step by Step Solution
- Step 1: Write the proportion equation
1,202,733.90 : 1,659,774.74 = 658,857.75 : x - Step 2: Convert to fraction form
1,202,733.90/1,659,774.74 = 658,857.75/x - Step 3: Cross multiply
1,202,733.90x = 1,659,774.74 × 658,857.75 - Step 4: Simplify right side
1,202,733.90x = 1,093,555,439,110.07 - Step 5: Solve for x
x = 1,093,555,439,110.07/1,202,733.90 - Step 6: Final answer
x = 909,224.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.