Home / 1,368,953.28-2,053,622.80-422,400.96

Finding the Fourth Proportional to 1,368,953.28, 2,053,622.80 and 422,400.96

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Solution

The fourth proportional to 1,368,953.28, 2,053,622.80 and 422,400.96 is: 633,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,953.28 : 2,053,622.80 = 422,400.96 : x
  2. Step 2: Convert to fraction form
    1,368,953.28/2,053,622.80 = 422,400.96/x
  3. Step 3: Cross multiply
    1,368,953.28x = 2,053,622.80 × 422,400.96
  4. Step 4: Simplify right side
    1,368,953.28x = 867,452,242,197.89
  5. Step 5: Solve for x
    x = 867,452,242,197.89/1,368,953.28
  6. Step 6: Final answer
    x = 633,660.95

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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.