Home / 1,369,217.28-2,054,022.72-422,669.04

Finding the Fourth Proportional to 1,369,217.28, 2,054,022.72 and 422,669.04

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Solution

The fourth proportional to 1,369,217.28, 2,054,022.72 and 422,669.04 is: 634,064.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,217.28 : 2,054,022.72 = 422,669.04 : x
  2. Step 2: Convert to fraction form
    1,369,217.28/2,054,022.72 = 422,669.04/x
  3. Step 3: Cross multiply
    1,369,217.28x = 2,054,022.72 × 422,669.04
  4. Step 4: Simplify right side
    1,369,217.28x = 868,171,811,200.59
  5. Step 5: Solve for x
    x = 868,171,811,200.59/1,369,217.28
  6. Step 6: Final answer
    x = 634,064.31

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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.