Finding the Fourth Proportional to 1,104,552.30, 1,524,272.63 and 621,107.14
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Solution
The fourth proportional to 1,104,552.30, 1,524,272.63 and 621,107.14 is: 857,122.49
Step by Step Solution
- Step 1: Write the proportion equation
1,104,552.30 : 1,524,272.63 = 621,107.14 : x - Step 2: Convert to fraction form
1,104,552.30/1,524,272.63 = 621,107.14/x - Step 3: Cross multiply
1,104,552.30x = 1,524,272.63 × 621,107.14 - Step 4: Simplify right side
1,104,552.30x = 946,736,613,235.10 - Step 5: Solve for x
x = 946,736,613,235.10/1,104,552.30 - Step 6: Final answer
x = 857,122.49
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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.