Home / 1,392,909.56-2,089,305.96-446,259.32

Finding the Fourth Proportional to 1,392,909.56, 2,089,305.96 and 446,259.32

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Solution

The fourth proportional to 1,392,909.56, 2,089,305.96 and 446,259.32 is: 669,370.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,909.56 : 2,089,305.96 = 446,259.32 : x
  2. Step 2: Convert to fraction form
    1,392,909.56/2,089,305.96 = 446,259.32/x
  3. Step 3: Cross multiply
    1,392,909.56x = 2,089,305.96 × 446,259.32
  4. Step 4: Simplify right side
    1,392,909.56x = 932,372,256,981.55
  5. Step 5: Solve for x
    x = 932,372,256,981.55/1,392,909.56
  6. Step 6: Final answer
    x = 669,370.28

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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.