Home / 1,385,846.40-2,080,519.20-746,659.20

Finding the Fourth Proportional to 1,385,846.40, 2,080,519.20 and 746,659.20

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Solution

The fourth proportional to 1,385,846.40, 2,080,519.20 and 746,659.20 is: 1,120,931.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,846.40 : 2,080,519.20 = 746,659.20 : x
  2. Step 2: Convert to fraction form
    1,385,846.40/2,080,519.20 = 746,659.20/x
  3. Step 3: Cross multiply
    1,385,846.40x = 2,080,519.20 × 746,659.20
  4. Step 4: Simplify right side
    1,385,846.40x = 1,553,438,801,456.64
  5. Step 5: Solve for x
    x = 1,553,438,801,456.64/1,385,846.40
  6. Step 6: Final answer
    x = 1,120,931.44

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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.