Finding the Fourth Proportional to 1,202,362.99, 1,803,731.27 and 403,831.37
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Solution
The fourth proportional to 1,202,362.99, 1,803,731.27 and 403,831.37 is: 605,809.79
Step by Step Solution
- Step 1: Write the proportion equation
1,202,362.99 : 1,803,731.27 = 403,831.37 : x - Step 2: Convert to fraction form
1,202,362.99/1,803,731.27 = 403,831.37/x - Step 3: Cross multiply
1,202,362.99x = 1,803,731.27 × 403,831.37 - Step 4: Simplify right side
1,202,362.99x = 728,403,273,785.82 - Step 5: Solve for x
x = 728,403,273,785.82/1,202,362.99 - Step 6: Final answer
x = 605,809.79
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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.