Finding the Fourth Proportional to 1,149,423.99, 1,586,085.78 and 707,828.37
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Solution
The fourth proportional to 1,149,423.99, 1,586,085.78 and 707,828.37 is: 976,729.66
Step by Step Solution
- Step 1: Write the proportion equation
1,149,423.99 : 1,586,085.78 = 707,828.37 : x - Step 2: Convert to fraction form
1,149,423.99/1,586,085.78 = 707,828.37/x - Step 3: Cross multiply
1,149,423.99x = 1,586,085.78 × 707,828.37 - Step 4: Simplify right side
1,149,423.99x = 1,122,676,508,585.40 - Step 5: Solve for x
x = 1,122,676,508,585.40/1,149,423.99 - Step 6: Final answer
x = 976,729.66
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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.