Home / 1,205,949.20-1,808,835.96-486,339.44

Finding the Fourth Proportional to 1,205,949.20, 1,808,835.96 and 486,339.44

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Solution

The fourth proportional to 1,205,949.20, 1,808,835.96 and 486,339.44 is: 729,473.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,949.20 : 1,808,835.96 = 486,339.44 : x
  2. Step 2: Convert to fraction form
    1,205,949.20/1,808,835.96 = 486,339.44/x
  3. Step 3: Cross multiply
    1,205,949.20x = 1,808,835.96 × 486,339.44
  4. Step 4: Simplify right side
    1,205,949.20x = 879,708,267,838.26
  5. Step 5: Solve for x
    x = 879,708,267,838.26/1,205,949.20
  6. Step 6: Final answer
    x = 729,473.74

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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.