Finding the Fourth Proportional to 1,325,470.23, 1,829,319.84 and 809,115.93
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Solution
The fourth proportional to 1,325,470.23, 1,829,319.84 and 809,115.93 is: 1,116,684.32
Step by Step Solution
- Step 1: Write the proportion equation
1,325,470.23 : 1,829,319.84 = 809,115.93 : x - Step 2: Convert to fraction form
1,325,470.23/1,829,319.84 = 809,115.93/x - Step 3: Cross multiply
1,325,470.23x = 1,829,319.84 × 809,115.93 - Step 4: Simplify right side
1,325,470.23x = 1,480,131,823,609.05 - Step 5: Solve for x
x = 1,480,131,823,609.05/1,325,470.23 - Step 6: Final answer
x = 1,116,684.32
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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.