Finding the Fourth Proportional to 1,171,801, 1,617,257.94 and 742,121.08
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Solution
The fourth proportional to 1,171,801, 1,617,257.94 and 742,121.08 is: 1,024,236.38
Step by Step Solution
- Step 1: Write the proportion equation
1,171,801 : 1,617,257.94 = 742,121.08 : x - Step 2: Convert to fraction form
1,171,801/1,617,257.94 = 742,121.08/x - Step 3: Cross multiply
1,171,801x = 1,617,257.94 × 742,121.08 - Step 4: Simplify right side
1,171,801x = 1,200,201,209,071.38 - Step 5: Solve for x
x = 1,200,201,209,071.38/1,171,801 - Step 6: Final answer
x = 1,024,236.38
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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.