Home / 1,054,172.44-1,581,553.91-423,529.12

Finding the Fourth Proportional to 1,054,172.44, 1,581,553.91 and 423,529.12

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Solution

The fourth proportional to 1,054,172.44, 1,581,553.91 and 423,529.12 is: 635,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,172.44 : 1,581,553.91 = 423,529.12 : x
  2. Step 2: Convert to fraction form
    1,054,172.44/1,581,553.91 = 423,529.12/x
  3. Step 3: Cross multiply
    1,054,172.44x = 1,581,553.91 × 423,529.12
  4. Step 4: Simplify right side
    1,054,172.44x = 669,834,135,734.86
  5. Step 5: Solve for x
    x = 669,834,135,734.86/1,054,172.44
  6. Step 6: Final answer
    x = 635,412.30

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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.