Home / 1,615,450.92-2,228,858.46-1,042,816.92

Finding the Fourth Proportional to 1,615,450.92, 2,228,858.46 and 1,042,816.92

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Solution

The fourth proportional to 1,615,450.92, 2,228,858.46 and 1,042,816.92 is: 1,438,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,450.92 : 2,228,858.46 = 1,042,816.92 : x
  2. Step 2: Convert to fraction form
    1,615,450.92/2,228,858.46 = 1,042,816.92/x
  3. Step 3: Cross multiply
    1,615,450.92x = 2,228,858.46 × 1,042,816.92
  4. Step 4: Simplify right side
    1,615,450.92x = 2,324,291,314,373.14
  5. Step 5: Solve for x
    x = 2,324,291,314,373.14/1,615,450.92
  6. Step 6: Final answer
    x = 1,438,787.95

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1.5x scale

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.