Home / 1,189,745.28-1,784,128.32-590,486.40

Finding the Fourth Proportional to 1,189,745.28, 1,784,128.32 and 590,486.40

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Solution

The fourth proportional to 1,189,745.28, 1,784,128.32 and 590,486.40 is: 885,486.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,745.28 : 1,784,128.32 = 590,486.40 : x
  2. Step 2: Convert to fraction form
    1,189,745.28/1,784,128.32 = 590,486.40/x
  3. Step 3: Cross multiply
    1,189,745.28x = 1,784,128.32 × 590,486.40
  4. Step 4: Simplify right side
    1,189,745.28x = 1,053,503,508,814.85
  5. Step 5: Solve for x
    x = 1,053,503,508,814.85/1,189,745.28
  6. Step 6: Final answer
    x = 885,486.61

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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.