Finding the Fourth Proportional to 1,083,860.84, 1,624,905.12 and 409,560.14
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Solution
The fourth proportional to 1,083,860.84, 1,624,905.12 and 409,560.14 is: 614,005.36
Step by Step Solution
- Step 1: Write the proportion equation
1,083,860.84 : 1,624,905.12 = 409,560.14 : x - Step 2: Convert to fraction form
1,083,860.84/1,624,905.12 = 409,560.14/x - Step 3: Cross multiply
1,083,860.84x = 1,624,905.12 × 409,560.14 - Step 4: Simplify right side
1,083,860.84x = 665,496,368,433.92 - Step 5: Solve for x
x = 665,496,368,433.92/1,083,860.84 - Step 6: Final answer
x = 614,005.36
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1.5x scale
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.