Home / 1,189,565.10-1,786,119.06-480,977.10

Finding the Fourth Proportional to 1,189,565.10, 1,786,119.06 and 480,977.10

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Solution

The fourth proportional to 1,189,565.10, 1,786,119.06 and 480,977.10 is: 722,181.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,565.10 : 1,786,119.06 = 480,977.10 : x
  2. Step 2: Convert to fraction form
    1,189,565.10/1,786,119.06 = 480,977.10/x
  3. Step 3: Cross multiply
    1,189,565.10x = 1,786,119.06 × 480,977.10
  4. Step 4: Simplify right side
    1,189,565.10x = 859,082,365,733.53
  5. Step 5: Solve for x
    x = 859,082,365,733.53/1,189,565.10
  6. Step 6: Final answer
    x = 722,181.88

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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.