Finding the Fourth Proportional to 1,153,301.99, 1,591,550.42 and 637,091.40
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Solution
The fourth proportional to 1,153,301.99, 1,591,550.42 and 637,091.40 is: 879,182.64
Step by Step Solution
- Step 1: Write the proportion equation
1,153,301.99 : 1,591,550.42 = 637,091.40 : x - Step 2: Convert to fraction form
1,153,301.99/1,591,550.42 = 637,091.40/x - Step 3: Cross multiply
1,153,301.99x = 1,591,550.42 × 637,091.40 - Step 4: Simplify right side
1,153,301.99x = 1,013,963,082,062.93 - Step 5: Solve for x
x = 1,013,963,082,062.93/1,153,301.99 - Step 6: Final answer
x = 879,182.64
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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.