Home / 1,426,758.20-1,968,903.96-782,183.69

Finding the Fourth Proportional to 1,426,758.20, 1,968,903.96 and 782,183.69

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Solution

The fourth proportional to 1,426,758.20, 1,968,903.96 and 782,183.69 is: 1,079,401.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,758.20 : 1,968,903.96 = 782,183.69 : x
  2. Step 2: Convert to fraction form
    1,426,758.20/1,968,903.96 = 782,183.69/x
  3. Step 3: Cross multiply
    1,426,758.20x = 1,968,903.96 × 782,183.69
  4. Step 4: Simplify right side
    1,426,758.20x = 1,540,044,564,688.41
  5. Step 5: Solve for x
    x = 1,540,044,564,688.41/1,426,758.20
  6. Step 6: Final answer
    x = 1,079,401.24

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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.