Home / 1,112,963.21-1,669,473.56-303,354.28

Finding the Fourth Proportional to 1,112,963.21, 1,669,473.56 and 303,354.28

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Solution

The fourth proportional to 1,112,963.21, 1,669,473.56 and 303,354.28 is: 455,039.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,963.21 : 1,669,473.56 = 303,354.28 : x
  2. Step 2: Convert to fraction form
    1,112,963.21/1,669,473.56 = 303,354.28/x
  3. Step 3: Cross multiply
    1,112,963.21x = 1,669,473.56 × 303,354.28
  4. Step 4: Simplify right side
    1,112,963.21x = 506,441,949,772.84
  5. Step 5: Solve for x
    x = 506,441,949,772.84/1,112,963.21
  6. Step 6: Final answer
    x = 455,039.25

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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.