Home / 1,271,157.64-1,906,739.60-311,617.46

Finding the Fourth Proportional to 1,271,157.64, 1,906,739.60 and 311,617.46

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Solution

The fourth proportional to 1,271,157.64, 1,906,739.60 and 311,617.46 is: 467,426.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,157.64 : 1,906,739.60 = 311,617.46 : x
  2. Step 2: Convert to fraction form
    1,271,157.64/1,906,739.60 = 311,617.46/x
  3. Step 3: Cross multiply
    1,271,157.64x = 1,906,739.60 × 311,617.46
  4. Step 4: Simplify right side
    1,271,157.64x = 594,173,354,242.18
  5. Step 5: Solve for x
    x = 594,173,354,242.18/1,271,157.64
  6. Step 6: Final answer
    x = 467,426.96

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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.