Finding the Fourth Proportional to 1,172,177.33, 1,617,625.49 and 662,879.70
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Solution
The fourth proportional to 1,172,177.33, 1,617,625.49 and 662,879.70 is: 914,785.74
Step by Step Solution
- Step 1: Write the proportion equation
1,172,177.33 : 1,617,625.49 = 662,879.70 : x - Step 2: Convert to fraction form
1,172,177.33/1,617,625.49 = 662,879.70/x - Step 3: Cross multiply
1,172,177.33x = 1,617,625.49 × 662,879.70 - Step 4: Simplify right side
1,172,177.33x = 1,072,291,096,209.15 - Step 5: Solve for x
x = 1,072,291,096,209.15/1,172,177.33 - Step 6: Final answer
x = 914,785.74
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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.