Finding the Fourth Proportional to 1,226,578.68, 1,840,108.80 and 427,886.28
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Solution
The fourth proportional to 1,226,578.68, 1,840,108.80 and 427,886.28 is: 641,913.41
Step by Step Solution
- Step 1: Write the proportion equation
1,226,578.68 : 1,840,108.80 = 427,886.28 : x - Step 2: Convert to fraction form
1,226,578.68/1,840,108.80 = 427,886.28/x - Step 3: Cross multiply
1,226,578.68x = 1,840,108.80 × 427,886.28 - Step 4: Simplify right side
1,226,578.68x = 787,357,309,227.26 - Step 5: Solve for x
x = 787,357,309,227.26/1,226,578.68 - Step 6: Final answer
x = 641,913.41
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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.