Home / 1,089,513.48-1,634,169.96-290,766.36

Finding the Fourth Proportional to 1,089,513.48, 1,634,169.96 and 290,766.36

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Solution

The fourth proportional to 1,089,513.48, 1,634,169.96 and 290,766.36 is: 436,122.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,513.48 : 1,634,169.96 = 290,766.36 : x
  2. Step 2: Convert to fraction form
    1,089,513.48/1,634,169.96 = 290,766.36/x
  3. Step 3: Cross multiply
    1,089,513.48x = 1,634,169.96 × 290,766.36
  4. Step 4: Simplify right side
    1,089,513.48x = 475,161,650,890.55
  5. Step 5: Solve for x
    x = 475,161,650,890.55/1,089,513.48
  6. Step 6: Final answer
    x = 436,122.78

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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.