Home / 1,009,392.20-1,512,047.10-629,145.80

Finding the Fourth Proportional to 1,009,392.20, 1,512,047.10 and 629,145.80

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Solution

The fourth proportional to 1,009,392.20, 1,512,047.10 and 629,145.80 is: 942,446.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,392.20 : 1,512,047.10 = 629,145.80 : x
  2. Step 2: Convert to fraction form
    1,009,392.20/1,512,047.10 = 629,145.80/x
  3. Step 3: Cross multiply
    1,009,392.20x = 1,512,047.10 × 629,145.80
  4. Step 4: Simplify right side
    1,009,392.20x = 951,298,082,367.18
  5. Step 5: Solve for x
    x = 951,298,082,367.18/1,009,392.20
  6. Step 6: Final answer
    x = 942,446.44

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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.