Home / 1,089,750.87-1,634,627.61-520,998.23

Finding the Fourth Proportional to 1,089,750.87, 1,634,627.61 and 520,998.23

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Solution

The fourth proportional to 1,089,750.87, 1,634,627.61 and 520,998.23 is: 781,497.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,750.87 : 1,634,627.61 = 520,998.23 : x
  2. Step 2: Convert to fraction form
    1,089,750.87/1,634,627.61 = 520,998.23/x
  3. Step 3: Cross multiply
    1,089,750.87x = 1,634,627.61 × 520,998.23
  4. Step 4: Simplify right side
    1,089,750.87x = 851,638,083,345.99
  5. Step 5: Solve for x
    x = 851,638,083,345.99/1,089,750.87
  6. Step 6: Final answer
    x = 781,497.96

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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.