Finding the Fourth Proportional to 1,445,723.02, 1,995,149.24 and 872,651.26
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Solution
The fourth proportional to 1,445,723.02, 1,995,149.24 and 872,651.26 is: 1,204,289.81
Step by Step Solution
- Step 1: Write the proportion equation
1,445,723.02 : 1,995,149.24 = 872,651.26 : x - Step 2: Convert to fraction form
1,445,723.02/1,995,149.24 = 872,651.26/x - Step 3: Cross multiply
1,445,723.02x = 1,995,149.24 × 872,651.26 - Step 4: Simplify right side
1,445,723.02x = 1,741,069,498,174.04 - Step 5: Solve for x
x = 1,741,069,498,174.04/1,445,723.02 - Step 6: Final answer
x = 1,204,289.81
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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.