Home / 1,491,774.32-2,238,361.32-743,878.64

Finding the Fourth Proportional to 1,491,774.32, 2,238,361.32 and 743,878.64

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Solution

The fourth proportional to 1,491,774.32, 2,238,361.32 and 743,878.64 is: 1,116,166.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,774.32 : 2,238,361.32 = 743,878.64 : x
  2. Step 2: Convert to fraction form
    1,491,774.32/2,238,361.32 = 743,878.64/x
  3. Step 3: Cross multiply
    1,491,774.32x = 2,238,361.32 × 743,878.64
  4. Step 4: Simplify right side
    1,491,774.32x = 1,665,069,174,550.20
  5. Step 5: Solve for x
    x = 1,665,069,174,550.20/1,491,774.32
  6. Step 6: Final answer
    x = 1,116,166.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.