Home / 1,383,685.89-2,074,639.72-574,628.37

Finding the Fourth Proportional to 1,383,685.89, 2,074,639.72 and 574,628.37

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Solution

The fourth proportional to 1,383,685.89, 2,074,639.72 and 574,628.37 is: 861,573.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,685.89 : 2,074,639.72 = 574,628.37 : x
  2. Step 2: Convert to fraction form
    1,383,685.89/2,074,639.72 = 574,628.37/x
  3. Step 3: Cross multiply
    1,383,685.89x = 2,074,639.72 × 574,628.37
  4. Step 4: Simplify right side
    1,383,685.89x = 1,192,146,840,640.86
  5. Step 5: Solve for x
    x = 1,192,146,840,640.86/1,383,685.89
  6. Step 6: Final answer
    x = 861,573.32

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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.