Finding the Fourth Proportional to 1,226,386.08, 1,839,825.18 and 427,453.14
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Solution
The fourth proportional to 1,226,386.08, 1,839,825.18 and 427,453.14 is: 641,265.47
Step by Step Solution
- Step 1: Write the proportion equation
1,226,386.08 : 1,839,825.18 = 427,453.14 : x - Step 2: Convert to fraction form
1,226,386.08/1,839,825.18 = 427,453.14/x - Step 3: Cross multiply
1,226,386.08x = 1,839,825.18 × 427,453.14 - Step 4: Simplify right side
1,226,386.08x = 786,439,050,242.07 - Step 5: Solve for x
x = 786,439,050,242.07/1,226,386.08 - Step 6: Final answer
x = 641,265.47
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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.