Finding the Fourth Proportional to 1,052,459.66, 1,578,685.80 and 378,539.84
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Solution
The fourth proportional to 1,052,459.66, 1,578,685.80 and 378,539.84 is: 567,808.43
Step by Step Solution
- Step 1: Write the proportion equation
1,052,459.66 : 1,578,685.80 = 378,539.84 : x - Step 2: Convert to fraction form
1,052,459.66/1,578,685.80 = 378,539.84/x - Step 3: Cross multiply
1,052,459.66x = 1,578,685.80 × 378,539.84 - Step 4: Simplify right side
1,052,459.66x = 597,595,470,142.27 - Step 5: Solve for x
x = 597,595,470,142.27/1,052,459.66 - Step 6: Final answer
x = 567,808.43
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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.