Home / 1,089,271.70-1,633,907.55-809,335.70

Finding the Fourth Proportional to 1,089,271.70, 1,633,907.55 and 809,335.70

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Solution

The fourth proportional to 1,089,271.70, 1,633,907.55 and 809,335.70 is: 1,214,003.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,271.70 : 1,633,907.55 = 809,335.70 : x
  2. Step 2: Convert to fraction form
    1,089,271.70/1,633,907.55 = 809,335.70/x
  3. Step 3: Cross multiply
    1,089,271.70x = 1,633,907.55 × 809,335.70
  4. Step 4: Simplify right side
    1,089,271.70x = 1,322,379,710,714.53
  5. Step 5: Solve for x
    x = 1,322,379,710,714.53/1,089,271.70
  6. Step 6: Final answer
    x = 1,214,003.55

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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.