Finding the Fourth Proportional to 1,040,231.76, 1,560,285.35 and 432,866.68
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Solution
The fourth proportional to 1,040,231.76, 1,560,285.35 and 432,866.68 is: 649,274.10
Step by Step Solution
- Step 1: Write the proportion equation
1,040,231.76 : 1,560,285.35 = 432,866.68 : x - Step 2: Convert to fraction form
1,040,231.76/1,560,285.35 = 432,866.68/x - Step 3: Cross multiply
1,040,231.76x = 1,560,285.35 × 432,866.68 - Step 4: Simplify right side
1,040,231.76x = 675,395,536,488.59 - Step 5: Solve for x
x = 675,395,536,488.59/1,040,231.76 - Step 6: Final answer
x = 649,274.10
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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.