Finding the Fourth Proportional to 1,292,772.44, 1,934,434.69 and 760,544.12
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Solution
The fourth proportional to 1,292,772.44, 1,934,434.69 and 760,544.12 is: 1,138,037.05
Step by Step Solution
- Step 1: Write the proportion equation
1,292,772.44 : 1,934,434.69 = 760,544.12 : x - Step 2: Convert to fraction form
1,292,772.44/1,934,434.69 = 760,544.12/x - Step 3: Cross multiply
1,292,772.44x = 1,934,434.69 × 760,544.12 - Step 4: Simplify right side
1,292,772.44x = 1,471,222,936,216.31 - Step 5: Solve for x
x = 1,471,222,936,216.31/1,292,772.44 - Step 6: Final answer
x = 1,138,037.05
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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.