Home / 1,089,119.16-1,633,756.77-290,396.52

Finding the Fourth Proportional to 1,089,119.16, 1,633,756.77 and 290,396.52

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Solution

The fourth proportional to 1,089,119.16, 1,633,756.77 and 290,396.52 is: 435,615.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,119.16 : 1,633,756.77 = 290,396.52 : x
  2. Step 2: Convert to fraction form
    1,089,119.16/1,633,756.77 = 290,396.52/x
  3. Step 3: Cross multiply
    1,089,119.16x = 1,633,756.77 × 290,396.52
  4. Step 4: Simplify right side
    1,089,119.16x = 474,437,280,534.44
  5. Step 5: Solve for x
    x = 474,437,280,534.44/1,089,119.16
  6. Step 6: Final answer
    x = 435,615.59

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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.