Finding the Fourth Proportional to 1,010,831.68, 1,394,921.04 and 558,112.96
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Solution
The fourth proportional to 1,010,831.68, 1,394,921.04 and 558,112.96 is: 770,181.15
Step by Step Solution
- Step 1: Write the proportion equation
1,010,831.68 : 1,394,921.04 = 558,112.96 : x - Step 2: Convert to fraction form
1,010,831.68/1,394,921.04 = 558,112.96/x - Step 3: Cross multiply
1,010,831.68x = 1,394,921.04 × 558,112.96 - Step 4: Simplify right side
1,010,831.68x = 778,523,510,600.68 - Step 5: Solve for x
x = 778,523,510,600.68/1,010,831.68 - Step 6: Final answer
x = 770,181.15
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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.