Home / 1,205,948.20-1,808,834.46-486,338.44

Finding the Fourth Proportional to 1,205,948.20, 1,808,834.46 and 486,338.44

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Solution

The fourth proportional to 1,205,948.20, 1,808,834.46 and 486,338.44 is: 729,472.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,948.20 : 1,808,834.46 = 486,338.44 : x
  2. Step 2: Convert to fraction form
    1,205,948.20/1,808,834.46 = 486,338.44/x
  3. Step 3: Cross multiply
    1,205,948.20x = 1,808,834.46 × 486,338.44
  4. Step 4: Simplify right side
    1,205,948.20x = 879,705,729,494.64
  5. Step 5: Solve for x
    x = 879,705,729,494.64/1,205,948.20
  6. Step 6: Final answer
    x = 729,472.24

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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.