Finding the Fourth Proportional to 1,201,790.49, 1,659,595.05 and 772,815.93
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Solution
The fourth proportional to 1,201,790.49, 1,659,595.05 and 772,815.93 is: 1,067,208.89
Step by Step Solution
- Step 1: Write the proportion equation
1,201,790.49 : 1,659,595.05 = 772,815.93 : x - Step 2: Convert to fraction form
1,201,790.49/1,659,595.05 = 772,815.93/x - Step 3: Cross multiply
1,201,790.49x = 1,659,595.05 × 772,815.93 - Step 4: Simplify right side
1,201,790.49x = 1,282,561,491,989.15 - Step 5: Solve for x
x = 1,282,561,491,989.15/1,201,790.49 - Step 6: Final answer
x = 1,067,208.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.