Finding the Fourth Proportional to 1,443,703.08, 1,992,265.26 and 831,857.16
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Solution
The fourth proportional to 1,443,703.08, 1,992,265.26 and 831,857.16 is: 1,147,936.96
Step by Step Solution
- Step 1: Write the proportion equation
1,443,703.08 : 1,992,265.26 = 831,857.16 : x - Step 2: Convert to fraction form
1,443,703.08/1,992,265.26 = 831,857.16/x - Step 3: Cross multiply
1,443,703.08x = 1,992,265.26 × 831,857.16 - Step 4: Simplify right side
1,443,703.08x = 1,657,280,121,150.26 - Step 5: Solve for x
x = 1,657,280,121,150.26/1,443,703.08 - Step 6: Final answer
x = 1,147,936.96
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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.