Finding the Fourth Proportional to 1,129,029.77, 1,557,352.37 and 669,819.26
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Solution
The fourth proportional to 1,129,029.77, 1,557,352.37 and 669,819.26 is: 923,930.12
Step by Step Solution
- Step 1: Write the proportion equation
1,129,029.77 : 1,557,352.37 = 669,819.26 : x - Step 2: Convert to fraction form
1,129,029.77/1,557,352.37 = 669,819.26/x - Step 3: Cross multiply
1,129,029.77x = 1,557,352.37 × 669,819.26 - Step 4: Simplify right side
1,129,029.77x = 1,043,144,600,896.79 - Step 5: Solve for x
x = 1,043,144,600,896.79/1,129,029.77 - Step 6: Final answer
x = 923,930.12
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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.