Finding the Fourth Proportional to 1,311,177.96, 1,809,315.36 and 801,781.92
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Solution
The fourth proportional to 1,311,177.96, 1,809,315.36 and 801,781.92 is: 1,106,391.65
Step by Step Solution
- Step 1: Write the proportion equation
1,311,177.96 : 1,809,315.36 = 801,781.92 : x - Step 2: Convert to fraction form
1,311,177.96/1,809,315.36 = 801,781.92/x - Step 3: Cross multiply
1,311,177.96x = 1,809,315.36 × 801,781.92 - Step 4: Simplify right side
1,311,177.96x = 1,450,676,343,226.29 - Step 5: Solve for x
x = 1,450,676,343,226.29/1,311,177.96 - Step 6: Final answer
x = 1,106,391.65
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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.