Finding the Fourth Proportional to 1,239,863.08, 1,858,018.56 and 706,282.44
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Solution
The fourth proportional to 1,239,863.08, 1,858,018.56 and 706,282.44 is: 1,058,411.94
Step by Step Solution
- Step 1: Write the proportion equation
1,239,863.08 : 1,858,018.56 = 706,282.44 : x - Step 2: Convert to fraction form
1,239,863.08/1,858,018.56 = 706,282.44/x - Step 3: Cross multiply
1,239,863.08x = 1,858,018.56 × 706,282.44 - Step 4: Simplify right side
1,239,863.08x = 1,312,285,882,122.09 - Step 5: Solve for x
x = 1,312,285,882,122.09/1,239,863.08 - Step 6: Final answer
x = 1,058,411.94
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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.