Finding the Fourth Proportional to 1,119,861.99, 1,545,229.85 and 629,830.08
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Solution
The fourth proportional to 1,119,861.99, 1,545,229.85 and 629,830.08 is: 869,064.44
Step by Step Solution
- Step 1: Write the proportion equation
1,119,861.99 : 1,545,229.85 = 629,830.08 : x - Step 2: Convert to fraction form
1,119,861.99/1,545,229.85 = 629,830.08/x - Step 3: Cross multiply
1,119,861.99x = 1,545,229.85 × 629,830.08 - Step 4: Simplify right side
1,119,861.99x = 973,232,236,894.74 - Step 5: Solve for x
x = 973,232,236,894.74/1,119,861.99 - Step 6: Final answer
x = 869,064.44
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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.