Finding the Fourth Proportional to 1,248,473.99, 1,722,942.90 and 704,628.59
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Solution
The fourth proportional to 1,248,473.99, 1,722,942.90 and 704,628.59 is: 972,414.99
Step by Step Solution
- Step 1: Write the proportion equation
1,248,473.99 : 1,722,942.90 = 704,628.59 : x - Step 2: Convert to fraction form
1,248,473.99/1,722,942.90 = 704,628.59/x - Step 3: Cross multiply
1,248,473.99x = 1,722,942.90 × 704,628.59 - Step 4: Simplify right side
1,248,473.99x = 1,214,034,826,277.51 - Step 5: Solve for x
x = 1,214,034,826,277.51/1,248,473.99 - Step 6: Final answer
x = 972,414.99
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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.