Finding the Fourth Proportional to 1,116,408.24, 1,674,161.60 and 432,935.24
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Solution
The fourth proportional to 1,116,408.24, 1,674,161.60 and 432,935.24 is: 649,228.05
Step by Step Solution
- Step 1: Write the proportion equation
1,116,408.24 : 1,674,161.60 = 432,935.24 : x - Step 2: Convert to fraction form
1,116,408.24/1,674,161.60 = 432,935.24/x - Step 3: Cross multiply
1,116,408.24x = 1,674,161.60 × 432,935.24 - Step 4: Simplify right side
1,116,408.24x = 724,803,543,559.30 - Step 5: Solve for x
x = 724,803,543,559.30/1,116,408.24 - Step 6: Final answer
x = 649,228.05
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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.