Finding the Fourth Proportional to 1,346,757.71, 1,855,961.30 and 964,120.19
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Solution
The fourth proportional to 1,346,757.71, 1,855,961.30 and 964,120.19 is: 1,328,650.10
Step by Step Solution
- Step 1: Write the proportion equation
1,346,757.71 : 1,855,961.30 = 964,120.19 : x - Step 2: Convert to fraction form
1,346,757.71/1,855,961.30 = 964,120.19/x - Step 3: Cross multiply
1,346,757.71x = 1,855,961.30 × 964,120.19 - Step 4: Simplify right side
1,346,757.71x = 1,789,369,754,319.14 - Step 5: Solve for x
x = 1,789,369,754,319.14/1,346,757.71 - Step 6: Final answer
x = 1,328,650.10
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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.