Home / 1,109,010.90-1,662,358.59-804,669.78

Finding the Fourth Proportional to 1,109,010.90, 1,662,358.59 and 804,669.78

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Solution

The fourth proportional to 1,109,010.90, 1,662,358.59 and 804,669.78 is: 1,206,164.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,010.90 : 1,662,358.59 = 804,669.78 : x
  2. Step 2: Convert to fraction form
    1,109,010.90/1,662,358.59 = 804,669.78/x
  3. Step 3: Cross multiply
    1,109,010.90x = 1,662,358.59 × 804,669.78
  4. Step 4: Simplify right side
    1,109,010.90x = 1,337,649,720,896.41
  5. Step 5: Solve for x
    x = 1,337,649,720,896.41/1,109,010.90
  6. Step 6: Final answer
    x = 1,206,164.63

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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.