Finding the Fourth Proportional to 1,135,730.08, 1,567,301.12 and 626,431.20
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Solution
The fourth proportional to 1,135,730.08, 1,567,301.12 and 626,431.20 is: 864,471.53
Step by Step Solution
- Step 1: Write the proportion equation
1,135,730.08 : 1,567,301.12 = 626,431.20 : x - Step 2: Convert to fraction form
1,135,730.08/1,567,301.12 = 626,431.20/x - Step 3: Cross multiply
1,135,730.08x = 1,567,301.12 × 626,431.20 - Step 4: Simplify right side
1,135,730.08x = 981,806,321,362.94 - Step 5: Solve for x
x = 981,806,321,362.94/1,135,730.08 - Step 6: Final answer
x = 864,471.53
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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.