Home / 1,242,004.80-1,863,007.20-927,076.80

Finding the Fourth Proportional to 1,242,004.80, 1,863,007.20 and 927,076.80

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Solution

The fourth proportional to 1,242,004.80, 1,863,007.20 and 927,076.80 is: 1,390,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,004.80 : 1,863,007.20 = 927,076.80 : x
  2. Step 2: Convert to fraction form
    1,242,004.80/1,863,007.20 = 927,076.80/x
  3. Step 3: Cross multiply
    1,242,004.80x = 1,863,007.20 × 927,076.80
  4. Step 4: Simplify right side
    1,242,004.80x = 1,727,150,753,352.96
  5. Step 5: Solve for x
    x = 1,727,150,753,352.96/1,242,004.80
  6. Step 6: Final answer
    x = 1,390,615.20

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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.