Finding the Fourth Proportional to 1,558,623.36, 2,335,868.19 and 800,434.20
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Solution
The fourth proportional to 1,558,623.36, 2,335,868.19 and 800,434.20 is: 1,199,589.86
Step by Step Solution
- Step 1: Write the proportion equation
1,558,623.36 : 2,335,868.19 = 800,434.20 : x - Step 2: Convert to fraction form
1,558,623.36/2,335,868.19 = 800,434.20/x - Step 3: Cross multiply
1,558,623.36x = 2,335,868.19 × 800,434.20 - Step 4: Simplify right side
1,558,623.36x = 1,869,708,785,968.10 - Step 5: Solve for x
x = 1,869,708,785,968.10/1,558,623.36 - Step 6: Final answer
x = 1,199,589.86
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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.