Home / 1,764,028.80-2,646,043.20-1,053,691.20

Finding the Fourth Proportional to 1,764,028.80, 2,646,043.20 and 1,053,691.20

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Solution

The fourth proportional to 1,764,028.80, 2,646,043.20 and 1,053,691.20 is: 1,580,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,028.80 : 2,646,043.20 = 1,053,691.20 : x
  2. Step 2: Convert to fraction form
    1,764,028.80/2,646,043.20 = 1,053,691.20/x
  3. Step 3: Cross multiply
    1,764,028.80x = 2,646,043.20 × 1,053,691.20
  4. Step 4: Simplify right side
    1,764,028.80x = 2,788,112,434,659.84
  5. Step 5: Solve for x
    x = 2,788,112,434,659.84/1,764,028.80
  6. Step 6: Final answer
    x = 1,580,536.80

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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.