Finding the Fourth Proportional to 1,318,783.75, 1,978,153.99 and 420,213.32
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Solution
The fourth proportional to 1,318,783.75, 1,978,153.99 and 420,213.32 is: 630,313.08
Step by Step Solution
- Step 1: Write the proportion equation
1,318,783.75 : 1,978,153.99 = 420,213.32 : x - Step 2: Convert to fraction form
1,318,783.75/1,978,153.99 = 420,213.32/x - Step 3: Cross multiply
1,318,783.75x = 1,978,153.99 × 420,213.32 - Step 4: Simplify right side
1,318,783.75x = 831,246,652,085.92 - Step 5: Solve for x
x = 831,246,652,085.92/1,318,783.75 - Step 6: Final answer
x = 630,313.08
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