Finding the Fourth Proportional to 1,201,867.44, 1,658,596.68 and 657,994.12
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Solution
The fourth proportional to 1,201,867.44, 1,658,596.68 and 657,994.12 is: 908,042.62
Step by Step Solution
- Step 1: Write the proportion equation
1,201,867.44 : 1,658,596.68 = 657,994.12 : x - Step 2: Convert to fraction form
1,201,867.44/1,658,596.68 = 657,994.12/x - Step 3: Cross multiply
1,201,867.44x = 1,658,596.68 × 657,994.12 - Step 4: Simplify right side
1,201,867.44x = 1,091,346,862,891.52 - Step 5: Solve for x
x = 1,091,346,862,891.52/1,201,867.44 - Step 6: Final answer
x = 908,042.62
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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.