Home / 1,019,857.12-1,529,881.64-300,199.24

Finding the Fourth Proportional to 1,019,857.12, 1,529,881.64 and 300,199.24

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Solution

The fourth proportional to 1,019,857.12, 1,529,881.64 and 300,199.24 is: 450,327.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,857.12 : 1,529,881.64 = 300,199.24 : x
  2. Step 2: Convert to fraction form
    1,019,857.12/1,529,881.64 = 300,199.24/x
  3. Step 3: Cross multiply
    1,019,857.12x = 1,529,881.64 × 300,199.24
  4. Step 4: Simplify right side
    1,019,857.12x = 459,269,305,617.95
  5. Step 5: Solve for x
    x = 459,269,305,617.95/1,019,857.12
  6. Step 6: Final answer
    x = 450,327.11

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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.