Finding the Fourth Proportional to 1,387,624.08, 2,081,578.86 and 523,786.63
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Solution
The fourth proportional to 1,387,624.08, 2,081,578.86 and 523,786.63 is: 785,733.82
Step by Step Solution
- Step 1: Write the proportion equation
1,387,624.08 : 2,081,578.86 = 523,786.63 : x - Step 2: Convert to fraction form
1,387,624.08/2,081,578.86 = 523,786.63/x - Step 3: Cross multiply
1,387,624.08x = 2,081,578.86 × 523,786.63 - Step 4: Simplify right side
1,387,624.08x = 1,090,303,170,476.36 - Step 5: Solve for x
x = 1,090,303,170,476.36/1,387,624.08 - Step 6: Final answer
x = 785,733.82
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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.