Home / 1,190,250.72-1,785,179.04-391,542.24

Finding the Fourth Proportional to 1,190,250.72, 1,785,179.04 and 391,542.24

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Solution

The fourth proportional to 1,190,250.72, 1,785,179.04 and 391,542.24 is: 587,248.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,250.72 : 1,785,179.04 = 391,542.24 : x
  2. Step 2: Convert to fraction form
    1,190,250.72/1,785,179.04 = 391,542.24/x
  3. Step 3: Cross multiply
    1,190,250.72x = 1,785,179.04 × 391,542.24
  4. Step 4: Simplify right side
    1,190,250.72x = 698,973,000,122.65
  5. Step 5: Solve for x
    x = 698,973,000,122.65/1,190,250.72
  6. Step 6: Final answer
    x = 587,248.54

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1.5x scale

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.