Home / 1,089,288.90-1,633,544.55-379,340.10

Finding the Fourth Proportional to 1,089,288.90, 1,633,544.55 and 379,340.10

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Solution

The fourth proportional to 1,089,288.90, 1,633,544.55 and 379,340.10 is: 568,874.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,288.90 : 1,633,544.55 = 379,340.10 : x
  2. Step 2: Convert to fraction form
    1,089,288.90/1,633,544.55 = 379,340.10/x
  3. Step 3: Cross multiply
    1,089,288.90x = 1,633,544.55 × 379,340.10
  4. Step 4: Simplify right side
    1,089,288.90x = 619,668,952,951.46
  5. Step 5: Solve for x
    x = 619,668,952,951.46/1,089,288.90
  6. Step 6: Final answer
    x = 568,874.75

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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.