Finding the Fourth Proportional to 1,036,178.26, 1,554,355.40 and 288,224.26
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Solution
The fourth proportional to 1,036,178.26, 1,554,355.40 and 288,224.26 is: 432,360.87
Step by Step Solution
- Step 1: Write the proportion equation
1,036,178.26 : 1,554,355.40 = 288,224.26 : x - Step 2: Convert to fraction form
1,036,178.26/1,554,355.40 = 288,224.26/x - Step 3: Cross multiply
1,036,178.26x = 1,554,355.40 × 288,224.26 - Step 4: Simplify right side
1,036,178.26x = 448,002,934,942.00 - Step 5: Solve for x
x = 448,002,934,942.00/1,036,178.26 - Step 6: Final answer
x = 432,360.87
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1.5x scale
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.