Home / 1,100,003.80-1,650,005.70-657,635.80

Finding the Fourth Proportional to 1,100,003.80, 1,650,005.70 and 657,635.80

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Solution

The fourth proportional to 1,100,003.80, 1,650,005.70 and 657,635.80 is: 986,453.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,003.80 : 1,650,005.70 = 657,635.80 : x
  2. Step 2: Convert to fraction form
    1,100,003.80/1,650,005.70 = 657,635.80/x
  3. Step 3: Cross multiply
    1,100,003.80x = 1,650,005.70 × 657,635.80
  4. Step 4: Simplify right side
    1,100,003.80x = 1,085,102,818,524.06
  5. Step 5: Solve for x
    x = 1,085,102,818,524.06/1,100,003.80
  6. Step 6: Final answer
    x = 986,453.70

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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.