Finding the Fourth Proportional to 1,135,434.21, 1,701,223.36 and 685,209.17
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Solution
The fourth proportional to 1,135,434.21, 1,701,223.36 and 685,209.17 is: 1,026,650.28
Step by Step Solution
- Step 1: Write the proportion equation
1,135,434.21 : 1,701,223.36 = 685,209.17 : x - Step 2: Convert to fraction form
1,135,434.21/1,701,223.36 = 685,209.17/x - Step 3: Cross multiply
1,135,434.21x = 1,701,223.36 × 685,209.17 - Step 4: Simplify right side
1,135,434.21x = 1,165,693,849,030.25 - Step 5: Solve for x
x = 1,165,693,849,030.25/1,135,434.21 - Step 6: Final answer
x = 1,026,650.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.