Finding the Fourth Proportional to 1,020,571.92, 1,408,207.68 and 590,831.28
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Solution
The fourth proportional to 1,020,571.92, 1,408,207.68 and 590,831.28 is: 815,242.05
Step by Step Solution
- Step 1: Write the proportion equation
1,020,571.92 : 1,408,207.68 = 590,831.28 : x - Step 2: Convert to fraction form
1,020,571.92/1,408,207.68 = 590,831.28/x - Step 3: Cross multiply
1,020,571.92x = 1,408,207.68 × 590,831.28 - Step 4: Simplify right side
1,020,571.92x = 832,013,146,080.23 - Step 5: Solve for x
x = 832,013,146,080.23/1,020,571.92 - Step 6: Final answer
x = 815,242.05
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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.