Finding the Fourth Proportional to 1,135,315.15, 1,702,972.72 and 779,249.68
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Solution
The fourth proportional to 1,135,315.15, 1,702,972.72 and 779,249.68 is: 1,168,874.51
Step by Step Solution
- Step 1: Write the proportion equation
1,135,315.15 : 1,702,972.72 = 779,249.68 : x - Step 2: Convert to fraction form
1,135,315.15/1,702,972.72 = 779,249.68/x - Step 3: Cross multiply
1,135,315.15x = 1,702,972.72 × 779,249.68 - Step 4: Simplify right side
1,135,315.15x = 1,327,040,940,903.17 - Step 5: Solve for x
x = 1,327,040,940,903.17/1,135,315.15 - Step 6: Final answer
x = 1,168,874.51
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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.