Home / 1,299,329.44-1,949,204.32-400,560.88

Finding the Fourth Proportional to 1,299,329.44, 1,949,204.32 and 400,560.88

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Solution

The fourth proportional to 1,299,329.44, 1,949,204.32 and 400,560.88 is: 600,906.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,329.44 : 1,949,204.32 = 400,560.88 : x
  2. Step 2: Convert to fraction form
    1,299,329.44/1,949,204.32 = 400,560.88/x
  3. Step 3: Cross multiply
    1,299,329.44x = 1,949,204.32 × 400,560.88
  4. Step 4: Simplify right side
    1,299,329.44x = 780,774,997,719.00
  5. Step 5: Solve for x
    x = 780,774,997,719.00/1,299,329.44
  6. Step 6: Final answer
    x = 600,906.11

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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.