Finding the Fourth Proportional to 1,188,113.99, 1,781,230.58 and 429,837.35
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Solution
The fourth proportional to 1,188,113.99, 1,781,230.58 and 429,837.35 is: 644,415.81
Step by Step Solution
- Step 1: Write the proportion equation
1,188,113.99 : 1,781,230.58 = 429,837.35 : x - Step 2: Convert to fraction form
1,188,113.99/1,781,230.58 = 429,837.35/x - Step 3: Cross multiply
1,188,113.99x = 1,781,230.58 × 429,837.35 - Step 4: Simplify right side
1,188,113.99x = 765,639,436,161.94 - Step 5: Solve for x
x = 765,639,436,161.94/1,188,113.99 - Step 6: Final answer
x = 644,415.81
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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.