Home / 1,628,564.40-2,442,846.60-1,208,660.40

Finding the Fourth Proportional to 1,628,564.40, 2,442,846.60 and 1,208,660.40

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Solution

The fourth proportional to 1,628,564.40, 2,442,846.60 and 1,208,660.40 is: 1,812,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,564.40 : 2,442,846.60 = 1,208,660.40 : x
  2. Step 2: Convert to fraction form
    1,628,564.40/2,442,846.60 = 1,208,660.40/x
  3. Step 3: Cross multiply
    1,628,564.40x = 2,442,846.60 × 1,208,660.40
  4. Step 4: Simplify right side
    1,628,564.40x = 2,952,571,948,694.64
  5. Step 5: Solve for x
    x = 2,952,571,948,694.64/1,628,564.40
  6. Step 6: Final answer
    x = 1,812,990.60

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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.