Finding the Fourth Proportional to 1,373,908.44, 1,896,220.70 and 762,258.20
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Solution
The fourth proportional to 1,373,908.44, 1,896,220.70 and 762,258.20 is: 1,052,042.29
Step by Step Solution
- Step 1: Write the proportion equation
1,373,908.44 : 1,896,220.70 = 762,258.20 : x - Step 2: Convert to fraction form
1,373,908.44/1,896,220.70 = 762,258.20/x - Step 3: Cross multiply
1,373,908.44x = 1,896,220.70 × 762,258.20 - Step 4: Simplify right side
1,373,908.44x = 1,445,409,777,584.74 - Step 5: Solve for x
x = 1,445,409,777,584.74/1,373,908.44 - Step 6: Final answer
x = 1,052,042.29
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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.