Finding the Fourth Proportional to 1,054,290.56, 1,581,421.66 and 255,578.99
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Solution
The fourth proportional to 1,054,290.56, 1,581,421.66 and 255,578.99 is: 383,365.04
Step by Step Solution
- Step 1: Write the proportion equation
1,054,290.56 : 1,581,421.66 = 255,578.99 : x - Step 2: Convert to fraction form
1,054,290.56/1,581,421.66 = 255,578.99/x - Step 3: Cross multiply
1,054,290.56x = 1,581,421.66 × 255,578.99 - Step 4: Simplify right side
1,054,290.56x = 404,178,142,080.87 - Step 5: Solve for x
x = 404,178,142,080.87/1,054,290.56 - Step 6: Final answer
x = 383,365.04
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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.