Home / 1,245,519.60-1,868,020.20-346,729.20

Finding the Fourth Proportional to 1,245,519.60, 1,868,020.20 and 346,729.20

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Solution

The fourth proportional to 1,245,519.60, 1,868,020.20 and 346,729.20 is: 520,021.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,519.60 : 1,868,020.20 = 346,729.20 : x
  2. Step 2: Convert to fraction form
    1,245,519.60/1,868,020.20 = 346,729.20/x
  3. Step 3: Cross multiply
    1,245,519.60x = 1,868,020.20 × 346,729.20
  4. Step 4: Simplify right side
    1,245,519.60x = 647,697,149,529.84
  5. Step 5: Solve for x
    x = 647,697,149,529.84/1,245,519.60
  6. Step 6: Final answer
    x = 520,021.64

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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.