Finding the Fourth Proportional to 1,188,297.68, 1,782,971.39 and 479,709.68
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Solution
The fourth proportional to 1,188,297.68, 1,782,971.39 and 479,709.68 is: 719,776.40
Step by Step Solution
- Step 1: Write the proportion equation
1,188,297.68 : 1,782,971.39 = 479,709.68 : x - Step 2: Convert to fraction form
1,188,297.68/1,782,971.39 = 479,709.68/x - Step 3: Cross multiply
1,188,297.68x = 1,782,971.39 × 479,709.68 - Step 4: Simplify right side
1,188,297.68x = 855,308,627,230.47 - Step 5: Solve for x
x = 855,308,627,230.47/1,188,297.68 - Step 6: Final answer
x = 719,776.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.