Finding the Fourth Proportional to 1,254,290.75, 1,731,163.83 and 817,950.54
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Solution
The fourth proportional to 1,254,290.75, 1,731,163.83 and 817,950.54 is: 1,128,929.95
Step by Step Solution
- Step 1: Write the proportion equation
1,254,290.75 : 1,731,163.83 = 817,950.54 : x - Step 2: Convert to fraction form
1,254,290.75/1,731,163.83 = 817,950.54/x - Step 3: Cross multiply
1,254,290.75x = 1,731,163.83 × 817,950.54 - Step 4: Simplify right side
1,254,290.75x = 1,416,006,389,576.97 - Step 5: Solve for x
x = 1,416,006,389,576.97/1,254,290.75 - Step 6: Final answer
x = 1,128,929.95
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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.