Home / 3,030,136.80-4,545,205.20-786,274.80

Finding the Fourth Proportional to 3,030,136.80, 4,545,205.20 and 786,274.80

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Solution

The fourth proportional to 3,030,136.80, 4,545,205.20 and 786,274.80 is: 1,179,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030,136.80 : 4,545,205.20 = 786,274.80 : x
  2. Step 2: Convert to fraction form
    3,030,136.80/4,545,205.20 = 786,274.80/x
  3. Step 3: Cross multiply
    3,030,136.80x = 4,545,205.20 × 786,274.80
  4. Step 4: Simplify right side
    3,030,136.80x = 3,573,780,309,588.96
  5. Step 5: Solve for x
    x = 3,573,780,309,588.96/3,030,136.80
  6. Step 6: Final answer
    x = 1,179,412.20

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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.