Home / 1,745,727.44-2,408,742.82-1,020,434.86

Finding the Fourth Proportional to 1,745,727.44, 2,408,742.82 and 1,020,434.86

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Solution

The fourth proportional to 1,745,727.44, 2,408,742.82 and 1,020,434.86 is: 1,407,989.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745,727.44 : 2,408,742.82 = 1,020,434.86 : x
  2. Step 2: Convert to fraction form
    1,745,727.44/2,408,742.82 = 1,020,434.86/x
  3. Step 3: Cross multiply
    1,745,727.44x = 2,408,742.82 × 1,020,434.86
  4. Step 4: Simplify right side
    1,745,727.44x = 2,457,965,147,278.94
  5. Step 5: Solve for x
    x = 2,457,965,147,278.94/1,745,727.44
  6. Step 6: Final answer
    x = 1,407,989.06

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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.