Home / 1,399,410.60-2,098,141.94-620,000.25

Finding the Fourth Proportional to 1,399,410.60, 2,098,141.94 and 620,000.25

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Solution

The fourth proportional to 1,399,410.60, 2,098,141.94 and 620,000.25 is: 929,568.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,410.60 : 2,098,141.94 = 620,000.25 : x
  2. Step 2: Convert to fraction form
    1,399,410.60/2,098,141.94 = 620,000.25/x
  3. Step 3: Cross multiply
    1,399,410.60x = 2,098,141.94 × 620,000.25
  4. Step 4: Simplify right side
    1,399,410.60x = 1,300,848,521,017.45
  5. Step 5: Solve for x
    x = 1,300,848,521,017.45/1,399,410.60
  6. Step 6: Final answer
    x = 929,568.87

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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.