Home / 1,204,899.28-1,806,200.28-405,769.60

Finding the Fourth Proportional to 1,204,899.28, 1,806,200.28 and 405,769.60

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Solution

The fourth proportional to 1,204,899.28, 1,806,200.28 and 405,769.60 is: 608,267.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,899.28 : 1,806,200.28 = 405,769.60 : x
  2. Step 2: Convert to fraction form
    1,204,899.28/1,806,200.28 = 405,769.60/x
  3. Step 3: Cross multiply
    1,204,899.28x = 1,806,200.28 × 405,769.60
  4. Step 4: Simplify right side
    1,204,899.28x = 732,901,165,135.49
  5. Step 5: Solve for x
    x = 732,901,165,135.49/1,204,899.28
  6. Step 6: Final answer
    x = 608,267.58

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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.