Finding the Fourth Proportional to 1,062,139.10, 1,593,207.18 and 493,209.09
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Solution
The fourth proportional to 1,062,139.10, 1,593,207.18 and 493,209.09 is: 739,812.96
Step by Step Solution
- Step 1: Write the proportion equation
1,062,139.10 : 1,593,207.18 = 493,209.09 : x - Step 2: Convert to fraction form
1,062,139.10/1,593,207.18 = 493,209.09/x - Step 3: Cross multiply
1,062,139.10x = 1,593,207.18 × 493,209.09 - Step 4: Simplify right side
1,062,139.10x = 785,784,263,429.27 - Step 5: Solve for x
x = 785,784,263,429.27/1,062,139.10 - Step 6: Final answer
x = 739,812.96
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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.