Home / 1,798,645.20-2,697,905.40-450,819.60

Finding the Fourth Proportional to 1,798,645.20, 2,697,905.40 and 450,819.60

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Solution

The fourth proportional to 1,798,645.20, 2,697,905.40 and 450,819.60 is: 676,213.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,645.20 : 2,697,905.40 = 450,819.60 : x
  2. Step 2: Convert to fraction form
    1,798,645.20/2,697,905.40 = 450,819.60/x
  3. Step 3: Cross multiply
    1,798,645.20x = 2,697,905.40 × 450,819.60
  4. Step 4: Simplify right side
    1,798,645.20x = 1,216,268,633,265.84
  5. Step 5: Solve for x
    x = 1,216,268,633,265.84/1,798,645.20
  6. Step 6: Final answer
    x = 676,213.76

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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.