Finding the Fourth Proportional to 1,201,669.44, 1,658,190.36 and 718,138.32
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Solution
The fourth proportional to 1,201,669.44, 1,658,190.36 and 718,138.32 is: 990,963.07
Step by Step Solution
- Step 1: Write the proportion equation
1,201,669.44 : 1,658,190.36 = 718,138.32 : x - Step 2: Convert to fraction form
1,201,669.44/1,658,190.36 = 718,138.32/x - Step 3: Cross multiply
1,201,669.44x = 1,658,190.36 × 718,138.32 - Step 4: Simplify right side
1,201,669.44x = 1,190,810,039,370.60 - Step 5: Solve for x
x = 1,190,810,039,370.60/1,201,669.44 - Step 6: Final answer
x = 990,963.07
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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.