Finding the Fourth Proportional to 1,132,593.84, 1,699,187.04 and 422,628.12
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Solution
The fourth proportional to 1,132,593.84, 1,699,187.04 and 422,628.12 is: 634,052.74
Step by Step Solution
- Step 1: Write the proportion equation
1,132,593.84 : 1,699,187.04 = 422,628.12 : x - Step 2: Convert to fraction form
1,132,593.84/1,699,187.04 = 422,628.12/x - Step 3: Cross multiply
1,132,593.84x = 1,699,187.04 × 422,628.12 - Step 4: Simplify right side
1,132,593.84x = 718,124,224,243.57 - Step 5: Solve for x
x = 718,124,224,243.57/1,132,593.84 - Step 6: Final answer
x = 634,052.74
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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.