Finding the Fourth Proportional to 1,202,782.64, 1,659,840.12 and 658,937.84
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Solution
The fourth proportional to 1,202,782.64, 1,659,840.12 and 658,937.84 is: 909,334.26
Step by Step Solution
- Step 1: Write the proportion equation
1,202,782.64 : 1,659,840.12 = 658,937.84 : x - Step 2: Convert to fraction form
1,202,782.64/1,659,840.12 = 658,937.84/x - Step 3: Cross multiply
1,202,782.64x = 1,659,840.12 × 658,937.84 - Step 4: Simplify right side
1,202,782.64x = 1,093,731,463,418.14 - Step 5: Solve for x
x = 1,093,731,463,418.14/1,202,782.64 - Step 6: Final answer
x = 909,334.26
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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.