Home / 1,422,359.60-2,133,846.60-425,188.40

Finding the Fourth Proportional to 1,422,359.60, 2,133,846.60 and 425,188.40

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Solution

The fourth proportional to 1,422,359.60, 2,133,846.60 and 425,188.40 is: 637,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,359.60 : 2,133,846.60 = 425,188.40 : x
  2. Step 2: Convert to fraction form
    1,422,359.60/2,133,846.60 = 425,188.40/x
  3. Step 3: Cross multiply
    1,422,359.60x = 2,133,846.60 × 425,188.40
  4. Step 4: Simplify right side
    1,422,359.60x = 907,286,821,699.44
  5. Step 5: Solve for x
    x = 907,286,821,699.44/1,422,359.60
  6. Step 6: Final answer
    x = 637,874.43

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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.