Finding the Fourth Proportional to 1,319,052.18, 1,978,721.66 and 420,282.66
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Solution
The fourth proportional to 1,319,052.18, 1,978,721.66 and 420,282.66 is: 630,469.68
Step by Step Solution
- Step 1: Write the proportion equation
1,319,052.18 : 1,978,721.66 = 420,282.66 : x - Step 2: Convert to fraction form
1,319,052.18/1,978,721.66 = 420,282.66/x - Step 3: Cross multiply
1,319,052.18x = 1,978,721.66 × 420,282.66 - Step 4: Simplify right side
1,319,052.18x = 831,622,402,664.42 - Step 5: Solve for x
x = 831,622,402,664.42/1,319,052.18 - Step 6: Final answer
x = 630,469.68
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