Finding the Fourth Proportional to 1,706,789.21, 2,560,174.56 and 695,907.23
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Solution
The fourth proportional to 1,706,789.21, 2,560,174.56 and 695,907.23 is: 1,043,857.07
Step by Step Solution
- Step 1: Write the proportion equation
1,706,789.21 : 2,560,174.56 = 695,907.23 : x - Step 2: Convert to fraction form
1,706,789.21/2,560,174.56 = 695,907.23/x - Step 3: Cross multiply
1,706,789.21x = 2,560,174.56 × 695,907.23 - Step 4: Simplify right side
1,706,789.21x = 1,781,643,973,565.20 - Step 5: Solve for x
x = 1,781,643,973,565.20/1,706,789.21 - Step 6: Final answer
x = 1,043,857.07
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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.