Home / 1,237,086.20-1,707,150.04-727,821.36

Finding the Fourth Proportional to 1,237,086.20, 1,707,150.04 and 727,821.36

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Solution

The fourth proportional to 1,237,086.20, 1,707,150.04 and 727,821.36 is: 1,004,376.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,086.20 : 1,707,150.04 = 727,821.36 : x
  2. Step 2: Convert to fraction form
    1,237,086.20/1,707,150.04 = 727,821.36/x
  3. Step 3: Cross multiply
    1,237,086.20x = 1,707,150.04 × 727,821.36
  4. Step 4: Simplify right side
    1,237,086.20x = 1,242,500,263,836.85
  5. Step 5: Solve for x
    x = 1,242,500,263,836.85/1,237,086.20
  6. Step 6: Final answer
    x = 1,004,376.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.