Finding the Fourth Proportional to 1,163,655.26, 1,605,458.31 and 948,425.66
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Solution
The fourth proportional to 1,163,655.26, 1,605,458.31 and 948,425.66 is: 1,308,512.85
Step by Step Solution
- Step 1: Write the proportion equation
1,163,655.26 : 1,605,458.31 = 948,425.66 : x - Step 2: Convert to fraction form
1,163,655.26/1,605,458.31 = 948,425.66/x - Step 3: Cross multiply
1,163,655.26x = 1,605,458.31 × 948,425.66 - Step 4: Simplify right side
1,163,655.26x = 1,522,657,857,264.23 - Step 5: Solve for x
x = 1,522,657,857,264.23/1,163,655.26 - Step 6: Final answer
x = 1,308,512.85
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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.