Finding the Fourth Proportional to 1,146,685.44, 1,720,038.56 and 347,966.99
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Solution
The fourth proportional to 1,146,685.44, 1,720,038.56 and 347,966.99 is: 521,953.63
Step by Step Solution
- Step 1: Write the proportion equation
1,146,685.44 : 1,720,038.56 = 347,966.99 : x - Step 2: Convert to fraction form
1,146,685.44/1,720,038.56 = 347,966.99/x - Step 3: Cross multiply
1,146,685.44x = 1,720,038.56 × 347,966.99 - Step 4: Simplify right side
1,146,685.44x = 598,516,630,067.11 - Step 5: Solve for x
x = 598,516,630,067.11/1,146,685.44 - Step 6: Final answer
x = 521,953.63
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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.