Finding the Fourth Proportional to 1,243,798.84, 1,865,735.17 and 345,306.80
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Solution
The fourth proportional to 1,243,798.84, 1,865,735.17 and 345,306.80 is: 517,970.44
Step by Step Solution
- Step 1: Write the proportion equation
1,243,798.84 : 1,865,735.17 = 345,306.80 : x - Step 2: Convert to fraction form
1,243,798.84/1,865,735.17 = 345,306.80/x - Step 3: Cross multiply
1,243,798.84x = 1,865,735.17 × 345,306.80 - Step 4: Simplify right side
1,243,798.84x = 644,251,034,506.47 - Step 5: Solve for x
x = 644,251,034,506.47/1,243,798.84 - Step 6: Final answer
x = 517,970.44
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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.