Finding the Fourth Proportional to 1,335,376.29, 1,843,457.90 and 762,305.75
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Solution
The fourth proportional to 1,335,376.29, 1,843,457.90 and 762,305.75 is: 1,052,346.49
Step by Step Solution
- Step 1: Write the proportion equation
1,335,376.29 : 1,843,457.90 = 762,305.75 : x - Step 2: Convert to fraction form
1,335,376.29/1,843,457.90 = 762,305.75/x - Step 3: Cross multiply
1,335,376.29x = 1,843,457.90 × 762,305.75 - Step 4: Simplify right side
1,335,376.29x = 1,405,278,557,052.93 - Step 5: Solve for x
x = 1,405,278,557,052.93/1,335,376.29 - Step 6: Final answer
x = 1,052,346.49
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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.