Finding the Fourth Proportional to 1,274,139.99, 1,758,385.46 and 730,366.13
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Solution
The fourth proportional to 1,274,139.99, 1,758,385.46 and 730,366.13 is: 1,007,946.69
Step by Step Solution
- Step 1: Write the proportion equation
1,274,139.99 : 1,758,385.46 = 730,366.13 : x - Step 2: Convert to fraction form
1,274,139.99/1,758,385.46 = 730,366.13/x - Step 3: Cross multiply
1,274,139.99x = 1,758,385.46 × 730,366.13 - Step 4: Simplify right side
1,274,139.99x = 1,284,265,189,690.35 - Step 5: Solve for x
x = 1,284,265,189,690.35/1,274,139.99 - Step 6: Final answer
x = 1,007,946.69
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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.