Finding the Fourth Proportional to 1,245,071.24, 1,718,327.49 and 761,958.08
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Solution
The fourth proportional to 1,245,071.24, 1,718,327.49 and 761,958.08 is: 1,051,581.21
Step by Step Solution
- Step 1: Write the proportion equation
1,245,071.24 : 1,718,327.49 = 761,958.08 : x - Step 2: Convert to fraction form
1,245,071.24/1,718,327.49 = 761,958.08/x - Step 3: Cross multiply
1,245,071.24x = 1,718,327.49 × 761,958.08 - Step 4: Simplify right side
1,245,071.24x = 1,309,293,515,091.62 - Step 5: Solve for x
x = 1,309,293,515,091.62/1,245,071.24 - Step 6: Final answer
x = 1,051,581.21
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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.