Finding the Fourth Proportional to 1,090,299.08, 1,504,355.36 and 916,529.95
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Solution
The fourth proportional to 1,090,299.08, 1,504,355.36 and 916,529.95 is: 1,264,594.97
Step by Step Solution
- Step 1: Write the proportion equation
1,090,299.08 : 1,504,355.36 = 916,529.95 : x - Step 2: Convert to fraction form
1,090,299.08/1,504,355.36 = 916,529.95/x - Step 3: Cross multiply
1,090,299.08x = 1,504,355.36 × 916,529.95 - Step 4: Simplify right side
1,090,299.08x = 1,378,786,740,180.83 - Step 5: Solve for x
x = 1,378,786,740,180.83/1,090,299.08 - Step 6: Final answer
x = 1,264,594.97
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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.