Home / 1,209,850.40-1,812,588.60-703,997.30

Finding the Fourth Proportional to 1,209,850.40, 1,812,588.60 and 703,997.30

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Solution

The fourth proportional to 1,209,850.40, 1,812,588.60 and 703,997.30 is: 1,054,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,850.40 : 1,812,588.60 = 703,997.30 : x
  2. Step 2: Convert to fraction form
    1,209,850.40/1,812,588.60 = 703,997.30/x
  3. Step 3: Cross multiply
    1,209,850.40x = 1,812,588.60 × 703,997.30
  4. Step 4: Simplify right side
    1,209,850.40x = 1,276,057,480,410.78
  5. Step 5: Solve for x
    x = 1,276,057,480,410.78/1,209,850.40
  6. Step 6: Final answer
    x = 1,054,723.36

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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.