Finding the Fourth Proportional to 1,350,879.70, 2,026,319.12 and 509,234.62
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Solution
The fourth proportional to 1,350,879.70, 2,026,319.12 and 509,234.62 is: 763,851.77
Step by Step Solution
- Step 1: Write the proportion equation
1,350,879.70 : 2,026,319.12 = 509,234.62 : x - Step 2: Convert to fraction form
1,350,879.70/2,026,319.12 = 509,234.62/x - Step 3: Cross multiply
1,350,879.70x = 2,026,319.12 × 509,234.62 - Step 4: Simplify right side
1,350,879.70x = 1,031,871,847,071.93 - Step 5: Solve for x
x = 1,031,871,847,071.93/1,350,879.70 - Step 6: Final answer
x = 763,851.77
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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.