Finding the Fourth Proportional to 1,135,175.77, 1,566,554.79 and 618,925.45
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Solution
The fourth proportional to 1,135,175.77, 1,566,554.79 and 618,925.45 is: 854,123.79
Step by Step Solution
- Step 1: Write the proportion equation
1,135,175.77 : 1,566,554.79 = 618,925.45 : x - Step 2: Convert to fraction form
1,135,175.77/1,566,554.79 = 618,925.45/x - Step 3: Cross multiply
1,135,175.77x = 1,566,554.79 × 618,925.45 - Step 4: Simplify right side
1,135,175.77x = 969,580,632,459.55 - Step 5: Solve for x
x = 969,580,632,459.55/1,135,175.77 - Step 6: Final answer
x = 854,123.79
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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.