Finding the Fourth Proportional to 1,212,135.31, 1,672,746.16 and 695,922.49
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Solution
The fourth proportional to 1,212,135.31, 1,672,746.16 and 695,922.49 is: 960,372.70
Step by Step Solution
- Step 1: Write the proportion equation
1,212,135.31 : 1,672,746.16 = 695,922.49 : x - Step 2: Convert to fraction form
1,212,135.31/1,672,746.16 = 695,922.49/x - Step 3: Cross multiply
1,212,135.31x = 1,672,746.16 × 695,922.49 - Step 4: Simplify right side
1,212,135.31x = 1,164,101,660,961.80 - Step 5: Solve for x
x = 1,164,101,660,961.80/1,212,135.31 - Step 6: Final answer
x = 960,372.70
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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.