Finding the Fourth Proportional to 1,138,023.62, 1,707,993.14 and 569,234.12
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Solution
The fourth proportional to 1,138,023.62, 1,707,993.14 and 569,234.12 is: 854,330.22
Step by Step Solution
- Step 1: Write the proportion equation
1,138,023.62 : 1,707,993.14 = 569,234.12 : x - Step 2: Convert to fraction form
1,138,023.62/1,707,993.14 = 569,234.12/x - Step 3: Cross multiply
1,138,023.62x = 1,707,993.14 × 569,234.12 - Step 4: Simplify right side
1,138,023.62x = 972,247,972,013.94 - Step 5: Solve for x
x = 972,247,972,013.94/1,138,023.62 - Step 6: Final answer
x = 854,330.22
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.