Finding the Fourth Proportional to 1,187,241.75, 1,780,837.64 and 288,688.09
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Solution
The fourth proportional to 1,187,241.75, 1,780,837.64 and 288,688.09 is: 433,026.06
Step by Step Solution
- Step 1: Write the proportion equation
1,187,241.75 : 1,780,837.64 = 288,688.09 : x - Step 2: Convert to fraction form
1,187,241.75/1,780,837.64 = 288,688.09/x - Step 3: Cross multiply
1,187,241.75x = 1,780,837.64 × 288,688.09 - Step 4: Simplify right side
1,187,241.75x = 514,106,617,613.43 - Step 5: Solve for x
x = 514,106,617,613.43/1,187,241.75 - Step 6: Final answer
x = 433,026.06
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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.