Finding the Fourth Proportional to 1,332,021.36, 1,838,406.57 and 990,127.65
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Solution
The fourth proportional to 1,332,021.36, 1,838,406.57 and 990,127.65 is: 1,366,537.53
Step by Step Solution
- Step 1: Write the proportion equation
1,332,021.36 : 1,838,406.57 = 990,127.65 : x - Step 2: Convert to fraction form
1,332,021.36/1,838,406.57 = 990,127.65/x - Step 3: Cross multiply
1,332,021.36x = 1,838,406.57 × 990,127.65 - Step 4: Simplify right side
1,332,021.36x = 1,820,257,176,898.66 - Step 5: Solve for x
x = 1,820,257,176,898.66/1,332,021.36 - Step 6: Final answer
x = 1,366,537.53
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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.