Home / 1,093,810.80-1,639,938.60-419,631.60

Finding the Fourth Proportional to 1,093,810.80, 1,639,938.60 and 419,631.60

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Solution

The fourth proportional to 1,093,810.80, 1,639,938.60 and 419,631.60 is: 629,149.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,810.80 : 1,639,938.60 = 419,631.60 : x
  2. Step 2: Convert to fraction form
    1,093,810.80/1,639,938.60 = 419,631.60/x
  3. Step 3: Cross multiply
    1,093,810.80x = 1,639,938.60 × 419,631.60
  4. Step 4: Simplify right side
    1,093,810.80x = 688,170,058,619.76
  5. Step 5: Solve for x
    x = 688,170,058,619.76/1,093,810.80
  6. Step 6: Final answer
    x = 629,149.08

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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.