Home / 1,189,336.03-1,783,988.09-290,785.51

Finding the Fourth Proportional to 1,189,336.03, 1,783,988.09 and 290,785.51

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Solution

The fourth proportional to 1,189,336.03, 1,783,988.09 and 290,785.51 is: 436,174.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,336.03 : 1,783,988.09 = 290,785.51 : x
  2. Step 2: Convert to fraction form
    1,189,336.03/1,783,988.09 = 290,785.51/x
  3. Step 3: Cross multiply
    1,189,336.03x = 1,783,988.09 × 290,785.51
  4. Step 4: Simplify right side
    1,189,336.03x = 518,757,890,086.75
  5. Step 5: Solve for x
    x = 518,757,890,086.75/1,189,336.03
  6. Step 6: Final answer
    x = 436,174.37

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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.