Finding the Fourth Proportional to 1,167,823.44, 1,611,598.68 and 631,279.44
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Solution
The fourth proportional to 1,167,823.44, 1,611,598.68 and 631,279.44 is: 871,166.89
Step by Step Solution
- Step 1: Write the proportion equation
1,167,823.44 : 1,611,598.68 = 631,279.44 : x - Step 2: Convert to fraction form
1,167,823.44/1,611,598.68 = 631,279.44/x - Step 3: Cross multiply
1,167,823.44x = 1,611,598.68 × 631,279.44 - Step 4: Simplify right side
1,167,823.44x = 1,017,369,112,215.14 - Step 5: Solve for x
x = 1,017,369,112,215.14/1,167,823.44 - Step 6: Final answer
x = 871,166.89
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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.