Finding the Fourth Proportional to 1,311,266.39, 1,967,165.62 and 412,499.09
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Solution
The fourth proportional to 1,311,266.39, 1,967,165.62 and 412,499.09 is: 618,832.33
Step by Step Solution
- Step 1: Write the proportion equation
1,311,266.39 : 1,967,165.62 = 412,499.09 : x - Step 2: Convert to fraction form
1,311,266.39/1,967,165.62 = 412,499.09/x - Step 3: Cross multiply
1,311,266.39x = 1,967,165.62 × 412,499.09 - Step 4: Simplify right side
1,311,266.39x = 811,454,032,015.95 - Step 5: Solve for x
x = 811,454,032,015.95/1,311,266.39 - Step 6: Final answer
x = 618,832.33
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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.