Finding the Fourth Proportional to 1,147,067.81, 1,720,595.95 and 294,135.65
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Solution
The fourth proportional to 1,147,067.81, 1,720,595.95 and 294,135.65 is: 441,201.99
Step by Step Solution
- Step 1: Write the proportion equation
1,147,067.81 : 1,720,595.95 = 294,135.65 : x - Step 2: Convert to fraction form
1,147,067.81/1,720,595.95 = 294,135.65/x - Step 3: Cross multiply
1,147,067.81x = 1,720,595.95 × 294,135.65 - Step 4: Simplify right side
1,147,067.81x = 506,088,598,802.30 - Step 5: Solve for x
x = 506,088,598,802.30/1,147,067.81 - Step 6: Final answer
x = 441,201.99
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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.