Finding the Fourth Proportional to 1,169,412.12, 1,613,740.47 and 653,163.63
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Solution
The fourth proportional to 1,169,412.12, 1,613,740.47 and 653,163.63 is: 901,338.85
Step by Step Solution
- Step 1: Write the proportion equation
1,169,412.12 : 1,613,740.47 = 653,163.63 : x - Step 2: Convert to fraction form
1,169,412.12/1,613,740.47 = 653,163.63/x - Step 3: Cross multiply
1,169,412.12x = 1,613,740.47 × 653,163.63 - Step 4: Simplify right side
1,169,412.12x = 1,054,036,579,997.29 - Step 5: Solve for x
x = 1,054,036,579,997.29/1,169,412.12 - Step 6: Final answer
x = 901,338.85
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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.