Finding the Fourth Proportional to 1,235,336.75, 1,853,324.58 and 723,434.21
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Solution
The fourth proportional to 1,235,336.75, 1,853,324.58 and 723,434.21 is: 1,085,338.39
Step by Step Solution
- Step 1: Write the proportion equation
1,235,336.75 : 1,853,324.58 = 723,434.21 : x - Step 2: Convert to fraction form
1,235,336.75/1,853,324.58 = 723,434.21/x - Step 3: Cross multiply
1,235,336.75x = 1,853,324.58 × 723,434.21 - Step 4: Simplify right side
1,235,336.75x = 1,340,758,403,802.10 - Step 5: Solve for x
x = 1,340,758,403,802.10/1,235,336.75 - Step 6: Final answer
x = 1,085,338.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.