Home / 1,089,752.95-1,634,690.90-331,619.12

Finding the Fourth Proportional to 1,089,752.95, 1,634,690.90 and 331,619.12

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Solution

The fourth proportional to 1,089,752.95, 1,634,690.90 and 331,619.12 is: 497,447.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,752.95 : 1,634,690.90 = 331,619.12 : x
  2. Step 2: Convert to fraction form
    1,089,752.95/1,634,690.90 = 331,619.12/x
  3. Step 3: Cross multiply
    1,089,752.95x = 1,634,690.90 × 331,619.12
  4. Step 4: Simplify right side
    1,089,752.95x = 542,094,756,515.69
  5. Step 5: Solve for x
    x = 542,094,756,515.69/1,089,752.95
  6. Step 6: Final answer
    x = 497,447.39

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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.