Home / 1,205,480.91-1,808,177.48-486,132.87

Finding the Fourth Proportional to 1,205,480.91, 1,808,177.48 and 486,132.87

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Solution

The fourth proportional to 1,205,480.91, 1,808,177.48 and 486,132.87 is: 729,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,480.91 : 1,808,177.48 = 486,132.87 : x
  2. Step 2: Convert to fraction form
    1,205,480.91/1,808,177.48 = 486,132.87/x
  3. Step 3: Cross multiply
    1,205,480.91x = 1,808,177.48 × 486,132.87
  4. Step 4: Simplify right side
    1,205,480.91x = 879,014,498,780.88
  5. Step 5: Solve for x
    x = 879,014,498,780.88/1,205,480.91
  6. Step 6: Final answer
    x = 729,181.60

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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.