Finding the Fourth Proportional to 1,413,748.24, 1,950,951.12 and 769,153.72
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Solution
The fourth proportional to 1,413,748.24, 1,950,951.12 and 769,153.72 is: 1,061,420.46
Step by Step Solution
- Step 1: Write the proportion equation
1,413,748.24 : 1,950,951.12 = 769,153.72 : x - Step 2: Convert to fraction form
1,413,748.24/1,950,951.12 = 769,153.72/x - Step 3: Cross multiply
1,413,748.24x = 1,950,951.12 × 769,153.72 - Step 4: Simplify right side
1,413,748.24x = 1,500,581,311,486.17 - Step 5: Solve for x
x = 1,500,581,311,486.17/1,413,748.24 - Step 6: Final answer
x = 1,061,420.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.