Home / 1,200,885.44-1,656,649.32-741,834.86

Finding the Fourth Proportional to 1,200,885.44, 1,656,649.32 and 741,834.86

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Solution

The fourth proportional to 1,200,885.44, 1,656,649.32 and 741,834.86 is: 1,023,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,885.44 : 1,656,649.32 = 741,834.86 : x
  2. Step 2: Convert to fraction form
    1,200,885.44/1,656,649.32 = 741,834.86/x
  3. Step 3: Cross multiply
    1,200,885.44x = 1,656,649.32 × 741,834.86
  4. Step 4: Simplify right side
    1,200,885.44x = 1,228,960,216,371.30
  5. Step 5: Solve for x
    x = 1,228,960,216,371.30/1,200,885.44
  6. Step 6: Final answer
    x = 1,023,378.40

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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.