Finding the Fourth Proportional to 1,321,157.32, 1,823,136.12 and 748,201.60
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Solution
The fourth proportional to 1,321,157.32, 1,823,136.12 and 748,201.60 is: 1,032,483.67
Step by Step Solution
- Step 1: Write the proportion equation
1,321,157.32 : 1,823,136.12 = 748,201.60 : x - Step 2: Convert to fraction form
1,321,157.32/1,823,136.12 = 748,201.60/x - Step 3: Cross multiply
1,321,157.32x = 1,823,136.12 × 748,201.60 - Step 4: Simplify right side
1,321,157.32x = 1,364,073,362,001.79 - Step 5: Solve for x
x = 1,364,073,362,001.79/1,321,157.32 - Step 6: Final answer
x = 1,032,483.67
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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.