Finding the Fourth Proportional to 1,241,507.05, 1,860,936.53 and 707,879.05
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Solution
The fourth proportional to 1,241,507.05, 1,860,936.53 and 707,879.05 is: 1,061,063.63
Step by Step Solution
- Step 1: Write the proportion equation
1,241,507.05 : 1,860,936.53 = 707,879.05 : x - Step 2: Convert to fraction form
1,241,507.05/1,860,936.53 = 707,879.05/x - Step 3: Cross multiply
1,241,507.05x = 1,860,936.53 × 707,879.05 - Step 4: Simplify right side
1,241,507.05x = 1,317,317,974,774.96 - Step 5: Solve for x
x = 1,317,317,974,774.96/1,241,507.05 - Step 6: Final answer
x = 1,061,063.63
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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.