Home / 1,269,615.28-1,904,434.08-322,987

Finding the Fourth Proportional to 1,269,615.28, 1,904,434.08 and 322,987

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Solution

The fourth proportional to 1,269,615.28, 1,904,434.08 and 322,987 is: 484,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,615.28 : 1,904,434.08 = 322,987 : x
  2. Step 2: Convert to fraction form
    1,269,615.28/1,904,434.08 = 322,987/x
  3. Step 3: Cross multiply
    1,269,615.28x = 1,904,434.08 × 322,987
  4. Step 4: Simplify right side
    1,269,615.28x = 615,107,450,196.96
  5. Step 5: Solve for x
    x = 615,107,450,196.96/1,269,615.28
  6. Step 6: Final answer
    x = 484,483.34

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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.