Finding the Fourth Proportional to 1,041,170.40, 1,560,718.80 and 479,224.80
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Solution
The fourth proportional to 1,041,170.40, 1,560,718.80 and 479,224.80 is: 718,359.99
Step by Step Solution
- Step 1: Write the proportion equation
1,041,170.40 : 1,560,718.80 = 479,224.80 : x - Step 2: Convert to fraction form
1,041,170.40/1,560,718.80 = 479,224.80/x - Step 3: Cross multiply
1,041,170.40x = 1,560,718.80 × 479,224.80 - Step 4: Simplify right side
1,041,170.40x = 747,935,154,786.24 - Step 5: Solve for x
x = 747,935,154,786.24/1,041,170.40 - Step 6: Final answer
x = 718,359.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.