Home / 1,310,983.90-1,809,028.46-730,187.56

Finding the Fourth Proportional to 1,310,983.90, 1,809,028.46 and 730,187.56

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Solution

The fourth proportional to 1,310,983.90, 1,809,028.46 and 730,187.56 is: 1,007,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,983.90 : 1,809,028.46 = 730,187.56 : x
  2. Step 2: Convert to fraction form
    1,310,983.90/1,809,028.46 = 730,187.56/x
  3. Step 3: Cross multiply
    1,310,983.90x = 1,809,028.46 × 730,187.56
  4. Step 4: Simplify right side
    1,310,983.90x = 1,320,930,069,004.45
  5. Step 5: Solve for x
    x = 1,320,930,069,004.45/1,310,983.90
  6. Step 6: Final answer
    x = 1,007,586.80

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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.