Finding the Fourth Proportional to 1,366,129.12, 1,885,287.84 and 754,279.84
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Solution
The fourth proportional to 1,366,129.12, 1,885,287.84 and 754,279.84 is: 1,040,922.55
Step by Step Solution
- Step 1: Write the proportion equation
1,366,129.12 : 1,885,287.84 = 754,279.84 : x - Step 2: Convert to fraction form
1,366,129.12/1,885,287.84 = 754,279.84/x - Step 3: Cross multiply
1,366,129.12x = 1,885,287.84 × 754,279.84 - Step 4: Simplify right side
1,366,129.12x = 1,422,034,610,309.15 - Step 5: Solve for x
x = 1,422,034,610,309.15/1,366,129.12 - Step 6: Final answer
x = 1,040,922.55
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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.