Finding the Fourth Proportional to 1,232,505.60, 1,851,868.80 and 783,441.60
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Solution
The fourth proportional to 1,232,505.60, 1,851,868.80 and 783,441.60 is: 1,177,139.52
Step by Step Solution
- Step 1: Write the proportion equation
1,232,505.60 : 1,851,868.80 = 783,441.60 : x - Step 2: Convert to fraction form
1,232,505.60/1,851,868.80 = 783,441.60/x - Step 3: Cross multiply
1,232,505.60x = 1,851,868.80 × 783,441.60 - Step 4: Simplify right side
1,232,505.60x = 1,450,831,055,662.08 - Step 5: Solve for x
x = 1,450,831,055,662.08/1,232,505.60 - Step 6: Final answer
x = 1,177,139.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.