Finding the Fourth Proportional to 1,135,317.15, 1,702,975.72 and 779,251.68
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Solution
The fourth proportional to 1,135,317.15, 1,702,975.72 and 779,251.68 is: 1,168,877.52
Step by Step Solution
- Step 1: Write the proportion equation
1,135,317.15 : 1,702,975.72 = 779,251.68 : x - Step 2: Convert to fraction form
1,135,317.15/1,702,975.72 = 779,251.68/x - Step 3: Cross multiply
1,135,317.15x = 1,702,975.72 × 779,251.68 - Step 4: Simplify right side
1,135,317.15x = 1,327,046,690,809.21 - Step 5: Solve for x
x = 1,327,046,690,809.21/1,135,317.15 - Step 6: Final answer
x = 1,168,877.52
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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.