Home / 1,291,405.92-1,937,118.60-449,956.32

Finding the Fourth Proportional to 1,291,405.92, 1,937,118.60 and 449,956.32

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Solution

The fourth proportional to 1,291,405.92, 1,937,118.60 and 449,956.32 is: 674,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,405.92 : 1,937,118.60 = 449,956.32 : x
  2. Step 2: Convert to fraction form
    1,291,405.92/1,937,118.60 = 449,956.32/x
  3. Step 3: Cross multiply
    1,291,405.92x = 1,937,118.60 × 449,956.32
  4. Step 4: Simplify right side
    1,291,405.92x = 871,618,756,659.55
  5. Step 5: Solve for x
    x = 871,618,756,659.55/1,291,405.92
  6. Step 6: Final answer
    x = 674,937.87

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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.