Finding the Fourth Proportional to 1,212,574.05, 1,818,360.63 and 413,919.99
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Solution
The fourth proportional to 1,212,574.05, 1,818,360.63 and 413,919.99 is: 620,709.15
Step by Step Solution
- Step 1: Write the proportion equation
1,212,574.05 : 1,818,360.63 = 413,919.99 : x - Step 2: Convert to fraction form
1,212,574.05/1,818,360.63 = 413,919.99/x - Step 3: Cross multiply
1,212,574.05x = 1,818,360.63 × 413,919.99 - Step 4: Simplify right side
1,212,574.05x = 752,655,813,785.99 - Step 5: Solve for x
x = 752,655,813,785.99/1,212,574.05 - Step 6: Final answer
x = 620,709.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.