Home / 1,089,752.57-1,634,690.34-331,618.75

Finding the Fourth Proportional to 1,089,752.57, 1,634,690.34 and 331,618.75

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Solution

The fourth proportional to 1,089,752.57, 1,634,690.34 and 331,618.75 is: 497,446.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,752.57 : 1,634,690.34 = 331,618.75 : x
  2. Step 2: Convert to fraction form
    1,089,752.57/1,634,690.34 = 331,618.75/x
  3. Step 3: Cross multiply
    1,089,752.57x = 1,634,690.34 × 331,618.75
  4. Step 4: Simplify right side
    1,089,752.57x = 542,093,963,101.15
  5. Step 5: Solve for x
    x = 542,093,963,101.15/1,089,752.57
  6. Step 6: Final answer
    x = 497,446.83

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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.