Finding the Fourth Proportional to 1,056,162.12, 1,457,121.06 and 693,781.08
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Solution
The fourth proportional to 1,056,162.12, 1,457,121.06 and 693,781.08 is: 957,166.52
Step by Step Solution
- Step 1: Write the proportion equation
1,056,162.12 : 1,457,121.06 = 693,781.08 : x - Step 2: Convert to fraction form
1,056,162.12/1,457,121.06 = 693,781.08/x - Step 3: Cross multiply
1,056,162.12x = 1,457,121.06 × 693,781.08 - Step 4: Simplify right side
1,056,162.12x = 1,010,923,022,697.54 - Step 5: Solve for x
x = 1,010,923,022,697.54/1,056,162.12 - Step 6: Final answer
x = 957,166.52
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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.