Finding the Fourth Proportional to 1,170,071.70, 1,755,107.55 and 664,437.30
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Solution
The fourth proportional to 1,170,071.70, 1,755,107.55 and 664,437.30 is: 996,655.95
Step by Step Solution
- Step 1: Write the proportion equation
1,170,071.70 : 1,755,107.55 = 664,437.30 : x - Step 2: Convert to fraction form
1,170,071.70/1,755,107.55 = 664,437.30/x - Step 3: Cross multiply
1,170,071.70x = 1,755,107.55 × 664,437.30 - Step 4: Simplify right side
1,170,071.70x = 1,166,158,921,731.62 - Step 5: Solve for x
x = 1,166,158,921,731.62/1,170,071.70 - Step 6: Final answer
x = 996,655.95
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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.