Finding the Fourth Proportional to 1,243,747.63, 1,716,239.37 and 699,873.94
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Solution
The fourth proportional to 1,243,747.63, 1,716,239.37 and 699,873.94 is: 965,751.56
Step by Step Solution
- Step 1: Write the proportion equation
1,243,747.63 : 1,716,239.37 = 699,873.94 : x - Step 2: Convert to fraction form
1,243,747.63/1,716,239.37 = 699,873.94/x - Step 3: Cross multiply
1,243,747.63x = 1,716,239.37 × 699,873.94 - Step 4: Simplify right side
1,243,747.63x = 1,201,151,209,865.02 - Step 5: Solve for x
x = 1,201,151,209,865.02/1,243,747.63 - Step 6: Final answer
x = 965,751.56
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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.