Finding the Fourth Proportional to 1,120,265.84, 1,679,904.12 and 321,366.08
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Solution
The fourth proportional to 1,120,265.84, 1,679,904.12 and 321,366.08 is: 481,907.22
Step by Step Solution
- Step 1: Write the proportion equation
1,120,265.84 : 1,679,904.12 = 321,366.08 : x - Step 2: Convert to fraction form
1,120,265.84/1,679,904.12 = 321,366.08/x - Step 3: Cross multiply
1,120,265.84x = 1,679,904.12 × 321,366.08 - Step 4: Simplify right side
1,120,265.84x = 539,864,201,820.25 - Step 5: Solve for x
x = 539,864,201,820.25/1,120,265.84 - Step 6: Final answer
x = 481,907.22
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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.