Home / 1,089,195.50-1,503,089.80-612,267.50

Finding the Fourth Proportional to 1,089,195.50, 1,503,089.80 and 612,267.50

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Solution

The fourth proportional to 1,089,195.50, 1,503,089.80 and 612,267.50 is: 844,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,195.50 : 1,503,089.80 = 612,267.50 : x
  2. Step 2: Convert to fraction form
    1,089,195.50/1,503,089.80 = 612,267.50/x
  3. Step 3: Cross multiply
    1,089,195.50x = 1,503,089.80 × 612,267.50
  4. Step 4: Simplify right side
    1,089,195.50x = 920,293,034,121.50
  5. Step 5: Solve for x
    x = 920,293,034,121.50/1,089,195.50
  6. Step 6: Final answer
    x = 844,929.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.