Home / 1,198,692.64-1,654,122.72-654,718.24

Finding the Fourth Proportional to 1,198,692.64, 1,654,122.72 and 654,718.24

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Solution

The fourth proportional to 1,198,692.64, 1,654,122.72 and 654,718.24 is: 903,471.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,692.64 : 1,654,122.72 = 654,718.24 : x
  2. Step 2: Convert to fraction form
    1,198,692.64/1,654,122.72 = 654,718.24/x
  3. Step 3: Cross multiply
    1,198,692.64x = 1,654,122.72 × 654,718.24
  4. Step 4: Simplify right side
    1,198,692.64x = 1,082,984,315,982.41
  5. Step 5: Solve for x
    x = 1,082,984,315,982.41/1,198,692.64
  6. Step 6: Final answer
    x = 903,471.23

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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.