Home / 1,392,947.60-2,089,362.96-446,297.36

Finding the Fourth Proportional to 1,392,947.60, 2,089,362.96 and 446,297.36

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Solution

The fourth proportional to 1,392,947.60, 2,089,362.96 and 446,297.36 is: 669,427.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,947.60 : 2,089,362.96 = 446,297.36 : x
  2. Step 2: Convert to fraction form
    1,392,947.60/2,089,362.96 = 446,297.36/x
  3. Step 3: Cross multiply
    1,392,947.60x = 2,089,362.96 × 446,297.36
  4. Step 4: Simplify right side
    1,392,947.60x = 932,477,173,129.79
  5. Step 5: Solve for x
    x = 932,477,173,129.79/1,392,947.60
  6. Step 6: Final answer
    x = 669,427.32

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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.