Home / 1,005,091.12-1,507,821.36-331,212.16

Finding the Fourth Proportional to 1,005,091.12, 1,507,821.36 and 331,212.16

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Solution

The fourth proportional to 1,005,091.12, 1,507,821.36 and 331,212.16 is: 496,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,091.12 : 1,507,821.36 = 331,212.16 : x
  2. Step 2: Convert to fraction form
    1,005,091.12/1,507,821.36 = 331,212.16/x
  3. Step 3: Cross multiply
    1,005,091.12x = 1,507,821.36 × 331,212.16
  4. Step 4: Simplify right side
    1,005,091.12x = 499,408,769,539.74
  5. Step 5: Solve for x
    x = 499,408,769,539.74/1,005,091.12
  6. Step 6: Final answer
    x = 496,879.10

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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.