Finding the Fourth Proportional to 1,115,881.12, 1,673,433.84 and 476,158.96
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Solution
The fourth proportional to 1,115,881.12, 1,673,433.84 and 476,158.96 is: 714,072.94
Step by Step Solution
- Step 1: Write the proportion equation
1,115,881.12 : 1,673,433.84 = 476,158.96 : x - Step 2: Convert to fraction form
1,115,881.12/1,673,433.84 = 476,158.96/x - Step 3: Cross multiply
1,115,881.12x = 1,673,433.84 × 476,158.96 - Step 4: Simplify right side
1,115,881.12x = 796,820,516,883.21 - Step 5: Solve for x
x = 796,820,516,883.21/1,115,881.12 - Step 6: Final answer
x = 714,072.94
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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.