Finding the Fourth Proportional to 1,059,471.24, 1,590,205.58 and 386,203.28
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Solution
The fourth proportional to 1,059,471.24, 1,590,205.58 and 386,203.28 is: 579,668.98
Step by Step Solution
- Step 1: Write the proportion equation
1,059,471.24 : 1,590,205.58 = 386,203.28 : x - Step 2: Convert to fraction form
1,059,471.24/1,590,205.58 = 386,203.28/x - Step 3: Cross multiply
1,059,471.24x = 1,590,205.58 × 386,203.28 - Step 4: Simplify right side
1,059,471.24x = 614,142,610,870.30 - Step 5: Solve for x
x = 614,142,610,870.30/1,059,471.24 - Step 6: Final answer
x = 579,668.98
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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.