Home / 1,991,009.24-2,986,525.76-495,101.24

Finding the Fourth Proportional to 1,991,009.24, 2,986,525.76 and 495,101.24

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Solution

The fourth proportional to 1,991,009.24, 2,986,525.76 and 495,101.24 is: 742,654.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,009.24 : 2,986,525.76 = 495,101.24 : x
  2. Step 2: Convert to fraction form
    1,991,009.24/2,986,525.76 = 495,101.24/x
  3. Step 3: Cross multiply
    1,991,009.24x = 2,986,525.76 × 495,101.24
  4. Step 4: Simplify right side
    1,991,009.24x = 1,478,632,607,067.94
  5. Step 5: Solve for x
    x = 1,478,632,607,067.94/1,991,009.24
  6. Step 6: Final answer
    x = 742,654.82

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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.