Finding the Fourth Proportional to 1,230,201.38, 1,697,678.97 and 686,337.26
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Solution
The fourth proportional to 1,230,201.38, 1,697,678.97 and 686,337.26 is: 947,146.00
Step by Step Solution
- Step 1: Write the proportion equation
1,230,201.38 : 1,697,678.97 = 686,337.26 : x - Step 2: Convert to fraction form
1,230,201.38/1,697,678.97 = 686,337.26/x - Step 3: Cross multiply
1,230,201.38x = 1,697,678.97 × 686,337.26 - Step 4: Simplify right side
1,230,201.38x = 1,165,180,324,141.03 - Step 5: Solve for x
x = 1,165,180,324,141.03/1,230,201.38 - Step 6: Final answer
x = 947,146.00
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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.