Home / 1,338,956.36-2,008,450.78-392,346.28

Finding the Fourth Proportional to 1,338,956.36, 2,008,450.78 and 392,346.28

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Solution

The fourth proportional to 1,338,956.36, 2,008,450.78 and 392,346.28 is: 588,524.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,956.36 : 2,008,450.78 = 392,346.28 : x
  2. Step 2: Convert to fraction form
    1,338,956.36/2,008,450.78 = 392,346.28/x
  3. Step 3: Cross multiply
    1,338,956.36x = 2,008,450.78 × 392,346.28
  4. Step 4: Simplify right side
    1,338,956.36x = 788,008,192,096.10
  5. Step 5: Solve for x
    x = 788,008,192,096.10/1,338,956.36
  6. Step 6: Final answer
    x = 588,524.18

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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.