Finding the Fourth Proportional to 1,184,879.16, 1,634,431.56 and 726,199.68
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Solution
The fourth proportional to 1,184,879.16, 1,634,431.56 and 726,199.68 is: 1,001,725.51
Step by Step Solution
- Step 1: Write the proportion equation
1,184,879.16 : 1,634,431.56 = 726,199.68 : x - Step 2: Convert to fraction form
1,184,879.16/1,634,431.56 = 726,199.68/x - Step 3: Cross multiply
1,184,879.16x = 1,634,431.56 × 726,199.68 - Step 4: Simplify right side
1,184,879.16x = 1,186,923,675,853.90 - Step 5: Solve for x
x = 1,186,923,675,853.90/1,184,879.16 - Step 6: Final answer
x = 1,001,725.51
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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.