Finding the Fourth Proportional to 1,165,644.11, 1,607,973.08 and 802,437.36
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Solution
The fourth proportional to 1,165,644.11, 1,607,973.08 and 802,437.36 is: 1,106,939.64
Step by Step Solution
- Step 1: Write the proportion equation
1,165,644.11 : 1,607,973.08 = 802,437.36 : x - Step 2: Convert to fraction form
1,165,644.11/1,607,973.08 = 802,437.36/x - Step 3: Cross multiply
1,165,644.11x = 1,607,973.08 × 802,437.36 - Step 4: Simplify right side
1,165,644.11x = 1,290,297,669,254.08 - Step 5: Solve for x
x = 1,290,297,669,254.08/1,165,644.11 - Step 6: Final answer
x = 1,106,939.64
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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.