Finding the Fourth Proportional to 1,260,661.26, 1,739,794.74 and 716,847.65
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Solution
The fourth proportional to 1,260,661.26, 1,739,794.74 and 716,847.65 is: 989,296.49
Step by Step Solution
- Step 1: Write the proportion equation
1,260,661.26 : 1,739,794.74 = 716,847.65 : x - Step 2: Convert to fraction form
1,260,661.26/1,739,794.74 = 716,847.65/x - Step 3: Cross multiply
1,260,661.26x = 1,739,794.74 × 716,847.65 - Step 4: Simplify right side
1,260,661.26x = 1,247,167,762,152.39 - Step 5: Solve for x
x = 1,247,167,762,152.39/1,260,661.26 - Step 6: Final answer
x = 989,296.49
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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.