Home / 1,178,493.28-1,768,188.75-410,076.36

Finding the Fourth Proportional to 1,178,493.28, 1,768,188.75 and 410,076.36

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Solution

The fourth proportional to 1,178,493.28, 1,768,188.75 and 410,076.36 is: 615,270.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,493.28 : 1,768,188.75 = 410,076.36 : x
  2. Step 2: Convert to fraction form
    1,178,493.28/1,768,188.75 = 410,076.36/x
  3. Step 3: Cross multiply
    1,178,493.28x = 1,768,188.75 × 410,076.36
  4. Step 4: Simplify right side
    1,178,493.28x = 725,092,404,342.57
  5. Step 5: Solve for x
    x = 725,092,404,342.57/1,178,493.28
  6. Step 6: Final answer
    x = 615,270.72

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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.