Finding the Fourth Proportional to 1,247,831.82, 1,722,007.91 and 674,871.99
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Solution
The fourth proportional to 1,247,831.82, 1,722,007.91 and 674,871.99 is: 931,323.35
Step by Step Solution
- Step 1: Write the proportion equation
1,247,831.82 : 1,722,007.91 = 674,871.99 : x - Step 2: Convert to fraction form
1,247,831.82/1,722,007.91 = 674,871.99/x - Step 3: Cross multiply
1,247,831.82x = 1,722,007.91 × 674,871.99 - Step 4: Simplify right side
1,247,831.82x = 1,162,134,901,643.08 - Step 5: Solve for x
x = 1,162,134,901,643.08/1,247,831.82 - Step 6: Final answer
x = 931,323.35
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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.