Home / 1,080,801.20-1,622,123.40-482,682.80

Finding the Fourth Proportional to 1,080,801.20, 1,622,123.40 and 482,682.80

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Solution

The fourth proportional to 1,080,801.20, 1,622,123.40 and 482,682.80 is: 724,435.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,801.20 : 1,622,123.40 = 482,682.80 : x
  2. Step 2: Convert to fraction form
    1,080,801.20/1,622,123.40 = 482,682.80/x
  3. Step 3: Cross multiply
    1,080,801.20x = 1,622,123.40 × 482,682.80
  4. Step 4: Simplify right side
    1,080,801.20x = 782,971,064,657.52
  5. Step 5: Solve for x
    x = 782,971,064,657.52/1,080,801.20
  6. Step 6: Final answer
    x = 724,435.78

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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.