Finding the Fourth Proportional to 1,339,582.74, 1,848,616.83 and 727,730.70
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Solution
The fourth proportional to 1,339,582.74, 1,848,616.83 and 727,730.70 is: 1,004,264.37
Step by Step Solution
- Step 1: Write the proportion equation
1,339,582.74 : 1,848,616.83 = 727,730.70 : x - Step 2: Convert to fraction form
1,339,582.74/1,848,616.83 = 727,730.70/x - Step 3: Cross multiply
1,339,582.74x = 1,848,616.83 × 727,730.70 - Step 4: Simplify right side
1,339,582.74x = 1,345,295,219,727.68 - Step 5: Solve for x
x = 1,345,295,219,727.68/1,339,582.74 - Step 6: Final answer
x = 1,004,264.37
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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.