Home / 1,089,427.60-1,633,558.20-457,627.60

Finding the Fourth Proportional to 1,089,427.60, 1,633,558.20 and 457,627.60

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Solution

The fourth proportional to 1,089,427.60, 1,633,558.20 and 457,627.60 is: 686,196.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,427.60 : 1,633,558.20 = 457,627.60 : x
  2. Step 2: Convert to fraction form
    1,089,427.60/1,633,558.20 = 457,627.60/x
  3. Step 3: Cross multiply
    1,089,427.60x = 1,633,558.20 × 457,627.60
  4. Step 4: Simplify right side
    1,089,427.60x = 747,561,318,526.32
  5. Step 5: Solve for x
    x = 747,561,318,526.32/1,089,427.60
  6. Step 6: Final answer
    x = 686,196.42

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1.5x scale

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.