Finding the Fourth Proportional to 1,167,839.94, 1,611,621.45 and 631,295.94
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Solution
The fourth proportional to 1,167,839.94, 1,611,621.45 and 631,295.94 is: 871,189.66
Step by Step Solution
- Step 1: Write the proportion equation
1,167,839.94 : 1,611,621.45 = 631,295.94 : x - Step 2: Convert to fraction form
1,167,839.94/1,611,621.45 = 631,295.94/x - Step 3: Cross multiply
1,167,839.94x = 1,611,621.45 × 631,295.94 - Step 4: Simplify right side
1,167,839.94x = 1,017,410,078,201.91 - Step 5: Solve for x
x = 1,017,410,078,201.91/1,167,839.94 - Step 6: Final answer
x = 871,189.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.