Home / 1,172,899.20-1,759,348.80-613,027.20

Finding the Fourth Proportional to 1,172,899.20, 1,759,348.80 and 613,027.20

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Solution

The fourth proportional to 1,172,899.20, 1,759,348.80 and 613,027.20 is: 919,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,899.20 : 1,759,348.80 = 613,027.20 : x
  2. Step 2: Convert to fraction form
    1,172,899.20/1,759,348.80 = 613,027.20/x
  3. Step 3: Cross multiply
    1,172,899.20x = 1,759,348.80 × 613,027.20
  4. Step 4: Simplify right side
    1,172,899.20x = 1,078,528,668,687.36
  5. Step 5: Solve for x
    x = 1,078,528,668,687.36/1,172,899.20
  6. Step 6: Final answer
    x = 919,540.80

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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.