Home / 1,159,342.30-1,738,203.45-685,783.90

Finding the Fourth Proportional to 1,159,342.30, 1,738,203.45 and 685,783.90

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Solution

The fourth proportional to 1,159,342.30, 1,738,203.45 and 685,783.90 is: 1,028,196.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,342.30 : 1,738,203.45 = 685,783.90 : x
  2. Step 2: Convert to fraction form
    1,159,342.30/1,738,203.45 = 685,783.90/x
  3. Step 3: Cross multiply
    1,159,342.30x = 1,738,203.45 × 685,783.90
  4. Step 4: Simplify right side
    1,159,342.30x = 1,192,031,940,934.46
  5. Step 5: Solve for x
    x = 1,192,031,940,934.46/1,159,342.30
  6. Step 6: Final answer
    x = 1,028,196.71

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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.