Finding the Fourth Proportional to 1,445,424.36, 1,994,659.67 and 800,831.63
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Solution
The fourth proportional to 1,445,424.36, 1,994,659.67 and 800,831.63 is: 1,105,133.26
Step by Step Solution
- Step 1: Write the proportion equation
1,445,424.36 : 1,994,659.67 = 800,831.63 : x - Step 2: Convert to fraction form
1,445,424.36/1,994,659.67 = 800,831.63/x - Step 3: Cross multiply
1,445,424.36x = 1,994,659.67 × 800,831.63 - Step 4: Simplify right side
1,445,424.36x = 1,597,386,540,843.91 - Step 5: Solve for x
x = 1,597,386,540,843.91/1,445,424.36 - Step 6: Final answer
x = 1,105,133.26
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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.