Home / 1,139,579.75-1,571,081.09-730,972.28

Finding the Fourth Proportional to 1,139,579.75, 1,571,081.09 and 730,972.28

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Solution

The fourth proportional to 1,139,579.75, 1,571,081.09 and 730,972.28 is: 1,007,754.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,579.75 : 1,571,081.09 = 730,972.28 : x
  2. Step 2: Convert to fraction form
    1,139,579.75/1,571,081.09 = 730,972.28/x
  3. Step 3: Cross multiply
    1,139,579.75x = 1,571,081.09 × 730,972.28
  4. Step 4: Simplify right side
    1,139,579.75x = 1,148,416,726,695.03
  5. Step 5: Solve for x
    x = 1,148,416,726,695.03/1,139,579.75
  6. Step 6: Final answer
    x = 1,007,754.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.