Home / 1,310,984.90-1,809,029.83-730,188.56

Finding the Fourth Proportional to 1,310,984.90, 1,809,029.83 and 730,188.56

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Solution

The fourth proportional to 1,310,984.90, 1,809,029.83 and 730,188.56 is: 1,007,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,984.90 : 1,809,029.83 = 730,188.56 : x
  2. Step 2: Convert to fraction form
    1,310,984.90/1,809,029.83 = 730,188.56/x
  3. Step 3: Cross multiply
    1,310,984.90x = 1,809,029.83 × 730,188.56
  4. Step 4: Simplify right side
    1,310,984.90x = 1,320,932,886,564.74
  5. Step 5: Solve for x
    x = 1,320,932,886,564.74/1,310,984.90
  6. Step 6: Final answer
    x = 1,007,588.18

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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.