Finding the Fourth Proportional to 1,203,886.44, 1,661,376.80 and 687,708.68
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Solution
The fourth proportional to 1,203,886.44, 1,661,376.80 and 687,708.68 is: 949,045.69
Step by Step Solution
- Step 1: Write the proportion equation
1,203,886.44 : 1,661,376.80 = 687,708.68 : x - Step 2: Convert to fraction form
1,203,886.44/1,661,376.80 = 687,708.68/x - Step 3: Cross multiply
1,203,886.44x = 1,661,376.80 × 687,708.68 - Step 4: Simplify right side
1,203,886.44x = 1,142,543,234,365.20 - Step 5: Solve for x
x = 1,142,543,234,365.20/1,203,886.44 - Step 6: Final answer
x = 949,045.69
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.