Home / 1,383,009.80-2,074,806.30-436,476.20

Finding the Fourth Proportional to 1,383,009.80, 2,074,806.30 and 436,476.20

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Solution

The fourth proportional to 1,383,009.80, 2,074,806.30 and 436,476.20 is: 654,806.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,009.80 : 2,074,806.30 = 436,476.20 : x
  2. Step 2: Convert to fraction form
    1,383,009.80/2,074,806.30 = 436,476.20/x
  3. Step 3: Cross multiply
    1,383,009.80x = 2,074,806.30 × 436,476.20
  4. Step 4: Simplify right side
    1,383,009.80x = 905,603,569,560.06
  5. Step 5: Solve for x
    x = 905,603,569,560.06/1,383,009.80
  6. Step 6: Final answer
    x = 654,806.33

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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.