Finding the Fourth Proportional to 1,167,785.03, 1,611,239.42 and 684,090.68
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Solution
The fourth proportional to 1,167,785.03, 1,611,239.42 and 684,090.68 is: 943,867.09
Step by Step Solution
- Step 1: Write the proportion equation
1,167,785.03 : 1,611,239.42 = 684,090.68 : x - Step 2: Convert to fraction form
1,167,785.03/1,611,239.42 = 684,090.68/x - Step 3: Cross multiply
1,167,785.03x = 1,611,239.42 × 684,090.68 - Step 4: Simplify right side
1,167,785.03x = 1,102,233,858,993.96 - Step 5: Solve for x
x = 1,102,233,858,993.96/1,167,785.03 - Step 6: Final answer
x = 943,867.09
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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.