Home / 1,589,308.40-2,383,729.32-642,658.16

Finding the Fourth Proportional to 1,589,308.40, 2,383,729.32 and 642,658.16

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Solution

The fourth proportional to 1,589,308.40, 2,383,729.32 and 642,658.16 is: 963,892.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,308.40 : 2,383,729.32 = 642,658.16 : x
  2. Step 2: Convert to fraction form
    1,589,308.40/2,383,729.32 = 642,658.16/x
  3. Step 3: Cross multiply
    1,589,308.40x = 2,383,729.32 × 642,658.16
  4. Step 4: Simplify right side
    1,589,308.40x = 1,531,923,098,729.25
  5. Step 5: Solve for x
    x = 1,531,923,098,729.25/1,589,308.40
  6. Step 6: Final answer
    x = 963,892.91

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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.