Home / 1,100,769.68-1,519,228.21-671,298.93

Finding the Fourth Proportional to 1,100,769.68, 1,519,228.21 and 671,298.93

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Solution

The fourth proportional to 1,100,769.68, 1,519,228.21 and 671,298.93 is: 926,493.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,769.68 : 1,519,228.21 = 671,298.93 : x
  2. Step 2: Convert to fraction form
    1,100,769.68/1,519,228.21 = 671,298.93/x
  3. Step 3: Cross multiply
    1,100,769.68x = 1,519,228.21 × 671,298.93
  4. Step 4: Simplify right side
    1,100,769.68x = 1,019,856,270,120.57
  5. Step 5: Solve for x
    x = 1,019,856,270,120.57/1,100,769.68
  6. Step 6: Final answer
    x = 926,493.79

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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.