Finding the Fourth Proportional to 1,135,113.20, 1,702,663.62 and 486,593.88
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Solution
The fourth proportional to 1,135,113.20, 1,702,663.62 and 486,593.88 is: 729,888.17
Step by Step Solution
- Step 1: Write the proportion equation
1,135,113.20 : 1,702,663.62 = 486,593.88 : x - Step 2: Convert to fraction form
1,135,113.20/1,702,663.62 = 486,593.88/x - Step 3: Cross multiply
1,135,113.20x = 1,702,663.62 × 486,593.88 - Step 4: Simplify right side
1,135,113.20x = 828,505,697,190.65 - Step 5: Solve for x
x = 828,505,697,190.65/1,135,113.20 - Step 6: Final answer
x = 729,888.17
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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.