Finding the Fourth Proportional to 1,047,772.98, 1,445,939.74 and 634,304.28
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Solution
The fourth proportional to 1,047,772.98, 1,445,939.74 and 634,304.28 is: 875,347.79
Step by Step Solution
- Step 1: Write the proportion equation
1,047,772.98 : 1,445,939.74 = 634,304.28 : x - Step 2: Convert to fraction form
1,047,772.98/1,445,939.74 = 634,304.28/x - Step 3: Cross multiply
1,047,772.98x = 1,445,939.74 × 634,304.28 - Step 4: Simplify right side
1,047,772.98x = 917,165,765,704.09 - Step 5: Solve for x
x = 917,165,765,704.09/1,047,772.98 - Step 6: Final answer
x = 875,347.79
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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.