Finding the Fourth Proportional to 1,127,704.12, 1,554,726.09 and 895,900.12
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Solution
The fourth proportional to 1,127,704.12, 1,554,726.09 and 895,900.12 is: 1,235,146.05
Step by Step Solution
- Step 1: Write the proportion equation
1,127,704.12 : 1,554,726.09 = 895,900.12 : x - Step 2: Convert to fraction form
1,127,704.12/1,554,726.09 = 895,900.12/x - Step 3: Cross multiply
1,127,704.12x = 1,554,726.09 × 895,900.12 - Step 4: Simplify right side
1,127,704.12x = 1,392,879,290,598.13 - Step 5: Solve for x
x = 1,392,879,290,598.13/1,127,704.12 - Step 6: Final answer
x = 1,235,146.05
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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.