Home / 1,089,579.60-1,633,786.20-457,779.60

Finding the Fourth Proportional to 1,089,579.60, 1,633,786.20 and 457,779.60

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Solution

The fourth proportional to 1,089,579.60, 1,633,786.20 and 457,779.60 is: 686,424.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,579.60 : 1,633,786.20 = 457,779.60 : x
  2. Step 2: Convert to fraction form
    1,089,579.60/1,633,786.20 = 457,779.60/x
  3. Step 3: Cross multiply
    1,089,579.60x = 1,633,786.20 × 457,779.60
  4. Step 4: Simplify right side
    1,089,579.60x = 747,913,993,121.52
  5. Step 5: Solve for x
    x = 747,913,993,121.52/1,089,579.60
  6. Step 6: Final answer
    x = 686,424.37

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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.