Finding the Fourth Proportional to 1,190,454.12, 1,642,741.74 and 674,059.68
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Solution
The fourth proportional to 1,190,454.12, 1,642,741.74 and 674,059.68 is: 930,154.26
Step by Step Solution
- Step 1: Write the proportion equation
1,190,454.12 : 1,642,741.74 = 674,059.68 : x - Step 2: Convert to fraction form
1,190,454.12/1,642,741.74 = 674,059.68/x - Step 3: Cross multiply
1,190,454.12x = 1,642,741.74 × 674,059.68 - Step 4: Simplify right side
1,190,454.12x = 1,107,305,971,587.04 - Step 5: Solve for x
x = 1,107,305,971,587.04/1,190,454.12 - Step 6: Final answer
x = 930,154.26
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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.