Home / 1,940,749.20-2,912,160.60-875,955.60

Finding the Fourth Proportional to 1,940,749.20, 2,912,160.60 and 875,955.60

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Solution

The fourth proportional to 1,940,749.20, 2,912,160.60 and 875,955.60 is: 1,314,401.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,749.20 : 2,912,160.60 = 875,955.60 : x
  2. Step 2: Convert to fraction form
    1,940,749.20/2,912,160.60 = 875,955.60/x
  3. Step 3: Cross multiply
    1,940,749.20x = 2,912,160.60 × 875,955.60
  4. Step 4: Simplify right side
    1,940,749.20x = 2,550,923,385,669.36
  5. Step 5: Solve for x
    x = 2,550,923,385,669.36/1,940,749.20
  6. Step 6: Final answer
    x = 1,314,401.36

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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.