Finding the Fourth Proportional to 1,245,781.44, 1,867,489.92 and 403,741.44
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Solution
The fourth proportional to 1,245,781.44, 1,867,489.92 and 403,741.44 is: 605,229.01
Step by Step Solution
- Step 1: Write the proportion equation
1,245,781.44 : 1,867,489.92 = 403,741.44 : x - Step 2: Convert to fraction form
1,245,781.44/1,867,489.92 = 403,741.44/x - Step 3: Cross multiply
1,245,781.44x = 1,867,489.92 × 403,741.44 - Step 4: Simplify right side
1,245,781.44x = 753,983,069,486.29 - Step 5: Solve for x
x = 753,983,069,486.29/1,245,781.44 - Step 6: Final answer
x = 605,229.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.