Finding the Fourth Proportional to 1,296,351.81, 1,789,022.70 and 723,394.26
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Solution
The fourth proportional to 1,296,351.81, 1,789,022.70 and 723,394.26 is: 998,316.00
Step by Step Solution
- Step 1: Write the proportion equation
1,296,351.81 : 1,789,022.70 = 723,394.26 : x - Step 2: Convert to fraction form
1,296,351.81/1,789,022.70 = 723,394.26/x - Step 3: Cross multiply
1,296,351.81x = 1,789,022.70 × 723,394.26 - Step 4: Simplify right side
1,296,351.81x = 1,294,168,752,189.70 - Step 5: Solve for x
x = 1,294,168,752,189.70/1,296,351.81 - Step 6: Final answer
x = 998,316.00
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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.