Finding the Fourth Proportional to 1,251,465.12, 1,728,447.36 and 848,357.28
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Solution
The fourth proportional to 1,251,465.12, 1,728,447.36 and 848,357.28 is: 1,171,699.38
Step by Step Solution
- Step 1: Write the proportion equation
1,251,465.12 : 1,728,447.36 = 848,357.28 : x - Step 2: Convert to fraction form
1,251,465.12/1,728,447.36 = 848,357.28/x - Step 3: Cross multiply
1,251,465.12x = 1,728,447.36 × 848,357.28 - Step 4: Simplify right side
1,251,465.12x = 1,466,340,900,952.78 - Step 5: Solve for x
x = 1,466,340,900,952.78/1,251,465.12 - Step 6: Final answer
x = 1,171,699.38
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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.