Finding the Fourth Proportional to 1,187,493.44, 1,781,241.40 and 288,935.12
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Solution
The fourth proportional to 1,187,493.44, 1,781,241.40 and 288,935.12 is: 433,402.98
Step by Step Solution
- Step 1: Write the proportion equation
1,187,493.44 : 1,781,241.40 = 288,935.12 : x - Step 2: Convert to fraction form
1,187,493.44/1,781,241.40 = 288,935.12/x - Step 3: Cross multiply
1,187,493.44x = 1,781,241.40 × 288,935.12 - Step 4: Simplify right side
1,187,493.44x = 514,663,197,657.97 - Step 5: Solve for x
x = 514,663,197,657.97/1,187,493.44 - Step 6: Final answer
x = 433,402.98
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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.