Home / 1,100,628.68-1,519,190.10-718,714.76

Finding the Fourth Proportional to 1,100,628.68, 1,519,190.10 and 718,714.76

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Solution

The fourth proportional to 1,100,628.68, 1,519,190.10 and 718,714.76 is: 992,036.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,628.68 : 1,519,190.10 = 718,714.76 : x
  2. Step 2: Convert to fraction form
    1,100,628.68/1,519,190.10 = 718,714.76/x
  3. Step 3: Cross multiply
    1,100,628.68x = 1,519,190.10 × 718,714.76
  4. Step 4: Simplify right side
    1,100,628.68x = 1,091,864,348,115.88
  5. Step 5: Solve for x
    x = 1,091,864,348,115.88/1,100,628.68
  6. Step 6: Final answer
    x = 992,036.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.