Home / 1,480,786.95-2,220,899.41-721,865.14

Finding the Fourth Proportional to 1,480,786.95, 2,220,899.41 and 721,865.14

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Solution

The fourth proportional to 1,480,786.95, 2,220,899.41 and 721,865.14 is: 1,082,660.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,786.95 : 2,220,899.41 = 721,865.14 : x
  2. Step 2: Convert to fraction form
    1,480,786.95/2,220,899.41 = 721,865.14/x
  3. Step 3: Cross multiply
    1,480,786.95x = 2,220,899.41 × 721,865.14
  4. Step 4: Simplify right side
    1,480,786.95x = 1,603,189,865,121.93
  5. Step 5: Solve for x
    x = 1,603,189,865,121.93/1,480,786.95
  6. Step 6: Final answer
    x = 1,082,660.72

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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.