Finding the Fourth Proportional to 1,302,658.29, 1,797,768.18 and 819,637.47
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Solution
The fourth proportional to 1,302,658.29, 1,797,768.18 and 819,637.47 is: 1,131,162.47
Step by Step Solution
- Step 1: Write the proportion equation
1,302,658.29 : 1,797,768.18 = 819,637.47 : x - Step 2: Convert to fraction form
1,302,658.29/1,797,768.18 = 819,637.47/x - Step 3: Cross multiply
1,302,658.29x = 1,797,768.18 × 819,637.47 - Step 4: Simplify right side
1,302,658.29x = 1,473,518,162,701.70 - Step 5: Solve for x
x = 1,473,518,162,701.70/1,302,658.29 - Step 6: Final answer
x = 1,131,162.47
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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.