Finding the Fourth Proportional to 1,119,728.26, 1,545,210.23 and 629,697.63
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Solution
The fourth proportional to 1,119,728.26, 1,545,210.23 and 629,697.63 is: 868,974.42
Step by Step Solution
- Step 1: Write the proportion equation
1,119,728.26 : 1,545,210.23 = 629,697.63 : x - Step 2: Convert to fraction form
1,119,728.26/1,545,210.23 = 629,697.63/x - Step 3: Cross multiply
1,119,728.26x = 1,545,210.23 × 629,697.63 - Step 4: Simplify right side
1,119,728.26x = 973,015,219,682.76 - Step 5: Solve for x
x = 973,015,219,682.76/1,119,728.26 - Step 6: Final answer
x = 868,974.42
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1.5x scale
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.