Finding the Fourth Proportional to 1,349,106.63, 1,861,694.06 and 745,455.75
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Solution
The fourth proportional to 1,349,106.63, 1,861,694.06 and 745,455.75 is: 1,028,688.55
Step by Step Solution
- Step 1: Write the proportion equation
1,349,106.63 : 1,861,694.06 = 745,455.75 : x - Step 2: Convert to fraction form
1,349,106.63/1,861,694.06 = 745,455.75/x - Step 3: Cross multiply
1,349,106.63x = 1,861,694.06 × 745,455.75 - Step 4: Simplify right side
1,349,106.63x = 1,387,810,538,040.57 - Step 5: Solve for x
x = 1,387,810,538,040.57/1,349,106.63 - Step 6: Final answer
x = 1,028,688.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.