Home / 1,029,903.60-1,544,855.40-320,149.20

Finding the Fourth Proportional to 1,029,903.60, 1,544,855.40 and 320,149.20

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Solution

The fourth proportional to 1,029,903.60, 1,544,855.40 and 320,149.20 is: 480,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,903.60 : 1,544,855.40 = 320,149.20 : x
  2. Step 2: Convert to fraction form
    1,029,903.60/1,544,855.40 = 320,149.20/x
  3. Step 3: Cross multiply
    1,029,903.60x = 1,544,855.40 × 320,149.20
  4. Step 4: Simplify right side
    1,029,903.60x = 494,584,220,425.68
  5. Step 5: Solve for x
    x = 494,584,220,425.68/1,029,903.60
  6. Step 6: Final answer
    x = 480,223.80

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Similar ratio
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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.