Finding the Fourth Proportional to 1,008,118.58, 1,391,199.44 and 549,231.75
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Solution
The fourth proportional to 1,008,118.58, 1,391,199.44 and 549,231.75 is: 757,937.53
Step by Step Solution
- Step 1: Write the proportion equation
1,008,118.58 : 1,391,199.44 = 549,231.75 : x - Step 2: Convert to fraction form
1,008,118.58/1,391,199.44 = 549,231.75/x - Step 3: Cross multiply
1,008,118.58x = 1,391,199.44 × 549,231.75 - Step 4: Simplify right side
1,008,118.58x = 764,090,900,284.06 - Step 5: Solve for x
x = 764,090,900,284.06/1,008,118.58 - Step 6: Final answer
x = 757,937.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.