Home / 1,209,944.26-1,815,189.54-400,326.76

Finding the Fourth Proportional to 1,209,944.26, 1,815,189.54 and 400,326.76

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Solution

The fourth proportional to 1,209,944.26, 1,815,189.54 and 400,326.76 is: 600,580.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,944.26 : 1,815,189.54 = 400,326.76 : x
  2. Step 2: Convert to fraction form
    1,209,944.26/1,815,189.54 = 400,326.76/x
  3. Step 3: Cross multiply
    1,209,944.26x = 1,815,189.54 × 400,326.76
  4. Step 4: Simplify right side
    1,209,944.26x = 726,668,947,334.09
  5. Step 5: Solve for x
    x = 726,668,947,334.09/1,209,944.26
  6. Step 6: Final answer
    x = 600,580.52

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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.