Finding the Fourth Proportional to 1,198,254.12, 1,653,192.36 and 790,558.44
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Solution
The fourth proportional to 1,198,254.12, 1,653,192.36 and 790,558.44 is: 1,090,707.85
Step by Step Solution
- Step 1: Write the proportion equation
1,198,254.12 : 1,653,192.36 = 790,558.44 : x - Step 2: Convert to fraction form
1,198,254.12/1,653,192.36 = 790,558.44/x - Step 3: Cross multiply
1,198,254.12x = 1,653,192.36 × 790,558.44 - Step 4: Simplify right side
1,198,254.12x = 1,306,945,173,141.52 - Step 5: Solve for x
x = 1,306,945,173,141.52/1,198,254.12 - Step 6: Final answer
x = 1,090,707.85
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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.