Home / 1,089,337.20-1,632,880.40-415,237.58

Finding the Fourth Proportional to 1,089,337.20, 1,632,880.40 and 415,237.58

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Solution

The fourth proportional to 1,089,337.20, 1,632,880.40 and 415,237.58 is: 622,427.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,337.20 : 1,632,880.40 = 415,237.58 : x
  2. Step 2: Convert to fraction form
    1,089,337.20/1,632,880.40 = 415,237.58/x
  3. Step 3: Cross multiply
    1,089,337.20x = 1,632,880.40 × 415,237.58
  4. Step 4: Simplify right side
    1,089,337.20x = 678,033,305,725.43
  5. Step 5: Solve for x
    x = 678,033,305,725.43/1,089,337.20
  6. Step 6: Final answer
    x = 622,427.39

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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.