Home / 1,373,136.80-2,060,288.40-662,799.20

Finding the Fourth Proportional to 1,373,136.80, 2,060,288.40 and 662,799.20

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Solution

The fourth proportional to 1,373,136.80, 2,060,288.40 and 662,799.20 is: 994,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,136.80 : 2,060,288.40 = 662,799.20 : x
  2. Step 2: Convert to fraction form
    1,373,136.80/2,060,288.40 = 662,799.20/x
  3. Step 3: Cross multiply
    1,373,136.80x = 2,060,288.40 × 662,799.20
  4. Step 4: Simplify right side
    1,373,136.80x = 1,365,557,503,289.28
  5. Step 5: Solve for x
    x = 1,365,557,503,289.28/1,373,136.80
  6. Step 6: Final answer
    x = 994,480.30

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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.