Home / 1,190,274.72-1,785,215.04-391,566.24

Finding the Fourth Proportional to 1,190,274.72, 1,785,215.04 and 391,566.24

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Solution

The fourth proportional to 1,190,274.72, 1,785,215.04 and 391,566.24 is: 587,284.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,274.72 : 1,785,215.04 = 391,566.24 : x
  2. Step 2: Convert to fraction form
    1,190,274.72/1,785,215.04 = 391,566.24/x
  3. Step 3: Cross multiply
    1,190,274.72x = 1,785,215.04 × 391,566.24
  4. Step 4: Simplify right side
    1,190,274.72x = 699,029,940,804.25
  5. Step 5: Solve for x
    x = 699,029,940,804.25/1,190,274.72
  6. Step 6: Final answer
    x = 587,284.54

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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.