Home / 1,433,130.49-2,150,067.57-422,288.20

Finding the Fourth Proportional to 1,433,130.49, 2,150,067.57 and 422,288.20

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Solution

The fourth proportional to 1,433,130.49, 2,150,067.57 and 422,288.20 is: 633,541.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,130.49 : 2,150,067.57 = 422,288.20 : x
  2. Step 2: Convert to fraction form
    1,433,130.49/2,150,067.57 = 422,288.20/x
  3. Step 3: Cross multiply
    1,433,130.49x = 2,150,067.57 × 422,288.20
  4. Step 4: Simplify right side
    1,433,130.49x = 907,948,164,013.67
  5. Step 5: Solve for x
    x = 907,948,164,013.67/1,433,130.49
  6. Step 6: Final answer
    x = 633,541.87

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1.5x scale

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.