Finding the Fourth Proportional to 1,256,584.99, 1,734,689.58 and 773,564.17
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Solution
The fourth proportional to 1,256,584.99, 1,734,689.58 and 773,564.17 is: 1,067,889.33
Step by Step Solution
- Step 1: Write the proportion equation
1,256,584.99 : 1,734,689.58 = 773,564.17 : x - Step 2: Convert to fraction form
1,256,584.99/1,734,689.58 = 773,564.17/x - Step 3: Cross multiply
1,256,584.99x = 1,734,689.58 × 773,564.17 - Step 4: Simplify right side
1,256,584.99x = 1,341,893,705,160.35 - Step 5: Solve for x
x = 1,341,893,705,160.35/1,256,584.99 - Step 6: Final answer
x = 1,067,889.33
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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.